Finding the Fourth Proportional to 31,757.19, 47,636.16 and 21,893.82
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Solution
The fourth proportional to 31,757.19, 47,636.16 and 21,893.82 is: 32,840.99
Step by Step Solution
- Step 1: Write the proportion equation
31,757.19 : 47,636.16 = 21,893.82 : x - Step 2: Convert to fraction form
31,757.19/47,636.16 = 21,893.82/x - Step 3: Cross multiply
31,757.19x = 47,636.16 × 21,893.82 - Step 4: Simplify right side
31,757.19x = 1,042,937,512.53 - Step 5: Solve for x
x = 1,042,937,512.53/31,757.19 - Step 6: Final answer
x = 32,840.99
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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.