Finding the Fourth Proportional to 71,630.26, 107,445.38 and 22,382.26
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Solution
The fourth proportional to 71,630.26, 107,445.38 and 22,382.26 is: 33,573.39
Step by Step Solution
- Step 1: Write the proportion equation
71,630.26 : 107,445.38 = 22,382.26 : x - Step 2: Convert to fraction form
71,630.26/107,445.38 = 22,382.26/x - Step 3: Cross multiply
71,630.26x = 107,445.38 × 22,382.26 - Step 4: Simplify right side
71,630.26x = 2,404,870,430.96 - Step 5: Solve for x
x = 2,404,870,430.96/71,630.26 - Step 6: Final answer
x = 33,573.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.