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Finding the Fourth Proportional to 59,761.80, 89,645.94 and 22,331.70

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Solution

The fourth proportional to 59,761.80, 89,645.94 and 22,331.70 is: 33,498.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,761.80 : 89,645.94 = 22,331.70 : x
  2. Step 2: Convert to fraction form
    59,761.80/89,645.94 = 22,331.70/x
  3. Step 3: Cross multiply
    59,761.80x = 89,645.94 × 22,331.70
  4. Step 4: Simplify right side
    59,761.80x = 2,001,946,238.30
  5. Step 5: Solve for x
    x = 2,001,946,238.30/59,761.80
  6. Step 6: Final answer
    x = 33,498.76

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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.