Home / 47,909.56-71,815.22-21,632.76

Finding the Fourth Proportional to 47,909.56, 71,815.22 and 21,632.76

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Solution

The fourth proportional to 47,909.56, 71,815.22 and 21,632.76 is: 32,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,909.56 : 71,815.22 = 21,632.76 : x
  2. Step 2: Convert to fraction form
    47,909.56/71,815.22 = 21,632.76/x
  3. Step 3: Cross multiply
    47,909.56x = 71,815.22 × 21,632.76
  4. Step 4: Simplify right side
    47,909.56x = 1,553,561,418.61
  5. Step 5: Solve for x
    x = 1,553,561,418.61/47,909.56
  6. Step 6: Final answer
    x = 32,426.96

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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.