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Finding the Fourth Proportional to 61,478.53, 92,141.65 and 29,862.73

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Solution

The fourth proportional to 61,478.53, 92,141.65 and 29,862.73 is: 44,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,478.53 : 92,141.65 = 29,862.73 : x
  2. Step 2: Convert to fraction form
    61,478.53/92,141.65 = 29,862.73/x
  3. Step 3: Cross multiply
    61,478.53x = 92,141.65 × 29,862.73
  4. Step 4: Simplify right side
    61,478.53x = 2,751,601,215.70
  5. Step 5: Solve for x
    x = 2,751,601,215.70/61,478.53
  6. Step 6: Final answer
    x = 44,757.11

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1.5x scale

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.