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Finding the Fourth Proportional to 41,307.57, 61,966.89 and 15,019.83

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Solution

The fourth proportional to 41,307.57, 61,966.89 and 15,019.83 is: 22,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,307.57 : 61,966.89 = 15,019.83 : x
  2. Step 2: Convert to fraction form
    41,307.57/61,966.89 = 15,019.83/x
  3. Step 3: Cross multiply
    41,307.57x = 61,966.89 × 15,019.83
  4. Step 4: Simplify right side
    41,307.57x = 930,732,153.43
  5. Step 5: Solve for x
    x = 930,732,153.43/41,307.57
  6. Step 6: Final answer
    x = 22,531.76

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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.