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Finding the Fourth Proportional to 40,253.82, 60,397.82 and 21,529

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Solution

The fourth proportional to 40,253.82, 60,397.82 and 21,529 is: 32,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,253.82 : 60,397.82 = 21,529 : x
  2. Step 2: Convert to fraction form
    40,253.82/60,397.82 = 21,529/x
  3. Step 3: Cross multiply
    40,253.82x = 60,397.82 × 21,529
  4. Step 4: Simplify right side
    40,253.82x = 1,300,304,666.78
  5. Step 5: Solve for x
    x = 1,300,304,666.78/40,253.82
  6. Step 6: Final answer
    x = 32,302.64

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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.