Home / 31,468.38-43,439.97-22,500.30

Finding the Fourth Proportional to 31,468.38, 43,439.97 and 22,500.30

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Solution

The fourth proportional to 31,468.38, 43,439.97 and 22,500.30 is: 31,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.38 : 43,439.97 = 22,500.30 : x
  2. Step 2: Convert to fraction form
    31,468.38/43,439.97 = 22,500.30/x
  3. Step 3: Cross multiply
    31,468.38x = 43,439.97 × 22,500.30
  4. Step 4: Simplify right side
    31,468.38x = 977,412,356.99
  5. Step 5: Solve for x
    x = 977,412,356.99/31,468.38
  6. Step 6: Final answer
    x = 31,060.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.