Home / 47,948.66-66,169.31-26,144.78

Finding the Fourth Proportional to 47,948.66, 66,169.31 and 26,144.78

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Solution

The fourth proportional to 47,948.66, 66,169.31 and 26,144.78 is: 36,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,948.66 : 66,169.31 = 26,144.78 : x
  2. Step 2: Convert to fraction form
    47,948.66/66,169.31 = 26,144.78/x
  3. Step 3: Cross multiply
    47,948.66x = 66,169.31 × 26,144.78
  4. Step 4: Simplify right side
    47,948.66x = 1,729,981,591.13
  5. Step 5: Solve for x
    x = 1,729,981,591.13/47,948.66
  6. Step 6: Final answer
    x = 36,079.87

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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.