Home / 31,867.22-47,747.68-22,491.88

Finding the Fourth Proportional to 31,867.22, 47,747.68 and 22,491.88

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Solution

The fourth proportional to 31,867.22, 47,747.68 and 22,491.88 is: 33,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.22 : 47,747.68 = 22,491.88 : x
  2. Step 2: Convert to fraction form
    31,867.22/47,747.68 = 22,491.88/x
  3. Step 3: Cross multiply
    31,867.22x = 47,747.68 × 22,491.88
  4. Step 4: Simplify right side
    31,867.22x = 1,073,934,913.24
  5. Step 5: Solve for x
    x = 1,073,934,913.24/31,867.22
  6. Step 6: Final answer
    x = 33,700.30

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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.