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Finding the Fourth Proportional to 59,781.56, 82,498.80 and 34,288.92

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Solution

The fourth proportional to 59,781.56, 82,498.80 and 34,288.92 is: 47,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,781.56 : 82,498.80 = 34,288.92 : x
  2. Step 2: Convert to fraction form
    59,781.56/82,498.80 = 34,288.92/x
  3. Step 3: Cross multiply
    59,781.56x = 82,498.80 × 34,288.92
  4. Step 4: Simplify right side
    59,781.56x = 2,828,794,753.30
  5. Step 5: Solve for x
    x = 2,828,794,753.30/59,781.56
  6. Step 6: Final answer
    x = 47,318.85

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1.5x scale

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.