Home / 40,890.20-61,335.30-22,227.80

Finding the Fourth Proportional to 40,890.20, 61,335.30 and 22,227.80

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Solution

The fourth proportional to 40,890.20, 61,335.30 and 22,227.80 is: 33,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,890.20 : 61,335.30 = 22,227.80 : x
  2. Step 2: Convert to fraction form
    40,890.20/61,335.30 = 22,227.80/x
  3. Step 3: Cross multiply
    40,890.20x = 61,335.30 × 22,227.80
  4. Step 4: Simplify right side
    40,890.20x = 1,363,348,781.34
  5. Step 5: Solve for x
    x = 1,363,348,781.34/40,890.20
  6. Step 6: Final answer
    x = 33,341.70

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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.