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Finding the Fourth Proportional to 61,562.57, 84,951.25 and 34,711.67

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Solution

The fourth proportional to 61,562.57, 84,951.25 and 34,711.67 is: 47,899.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,562.57 : 84,951.25 = 34,711.67 : x
  2. Step 2: Convert to fraction form
    61,562.57/84,951.25 = 34,711.67/x
  3. Step 3: Cross multiply
    61,562.57x = 84,951.25 × 34,711.67
  4. Step 4: Simplify right side
    61,562.57x = 2,948,799,881.69
  5. Step 5: Solve for x
    x = 2,948,799,881.69/61,562.57
  6. Step 6: Final answer
    x = 47,899.24

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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.