Using a proportion that relates the values.
(Apply Joint variation)
Substitute .
(Apply Cross multiplication)
(Divide each side by 48)
Therefore, the value of y is 216.
The value of y is 216.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e52d17b6eee10c570c0e7b854a6ee06a.png\")
(Apply Joint variation)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=94aef6f1e5e183c50f055b4b2f9f4d27.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3f6dcb925a3eb223a4154302f41b4f46.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=21e943a3c5c855654acfe55d88b04ef1.png\")
(Apply Cross multiplication)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1954960ece593de40dd2ebf6b4b3ecc1.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=337add9ca7ca76b121dc2ca0747da3bf.png\")
(Divide each side by 48)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=77d697d4b590f41a892ae41233ce2ac8.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")