Proportions Worksheet

1 a.
30   =   d
90 45








1 b.
12   =   a
18 72








2 a.
38   =   19
100 a








2 b.
45   =   90
50 x








3 a.
78   =   26
d 7








3 b.
5   =   x
15 45








Page 2

Answer Key

1 a. d = 15
1 b. a = 48
2 a. a = 50
2 b. x = 100
3 a. d = 21
3 b. x = 15


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