Home / 47,839.19-71,712.23-22,872.76

Finding the Fourth Proportional to 47,839.19, 71,712.23 and 22,872.76

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Solution

The fourth proportional to 47,839.19, 71,712.23 and 22,872.76 is: 34,286.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,839.19 : 71,712.23 = 22,872.76 : x
  2. Step 2: Convert to fraction form
    47,839.19/71,712.23 = 22,872.76/x
  3. Step 3: Cross multiply
    47,839.19x = 71,712.23 × 22,872.76
  4. Step 4: Simplify right side
    47,839.19x = 1,640,256,332.21
  5. Step 5: Solve for x
    x = 1,640,256,332.21/47,839.19
  6. Step 6: Final answer
    x = 34,286.88

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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.