Home / 55,229.13-82,793.07-21,517.89

Finding the Fourth Proportional to 55,229.13, 82,793.07 and 21,517.89

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Solution

The fourth proportional to 55,229.13, 82,793.07 and 21,517.89 is: 32,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,229.13 : 82,793.07 = 21,517.89 : x
  2. Step 2: Convert to fraction form
    55,229.13/82,793.07 = 21,517.89/x
  3. Step 3: Cross multiply
    55,229.13x = 82,793.07 × 21,517.89
  4. Step 4: Simplify right side
    55,229.13x = 1,781,531,912.24
  5. Step 5: Solve for x
    x = 1,781,531,912.24/55,229.13
  6. Step 6: Final answer
    x = 32,257.11

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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.