Finding the Fourth Proportional to 29,702.17, 40,988.99 and 17,768.31
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Solution
The fourth proportional to 29,702.17, 40,988.99 and 17,768.31 is: 24,520.27
Step by Step Solution
- Step 1: Write the proportion equation
29,702.17 : 40,988.99 = 17,768.31 : x - Step 2: Convert to fraction form
29,702.17/40,988.99 = 17,768.31/x - Step 3: Cross multiply
29,702.17x = 40,988.99 × 17,768.31 - Step 4: Simplify right side
29,702.17x = 728,305,102.24 - Step 5: Solve for x
x = 728,305,102.24/29,702.17 - Step 6: Final answer
x = 24,520.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.