Home / 54,691.13-82,029.24-21,434.45

Finding the Fourth Proportional to 54,691.13, 82,029.24 and 21,434.45

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Solution

The fourth proportional to 54,691.13, 82,029.24 and 21,434.45 is: 32,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,691.13 : 82,029.24 = 21,434.45 : x
  2. Step 2: Convert to fraction form
    54,691.13/82,029.24 = 21,434.45/x
  3. Step 3: Cross multiply
    54,691.13x = 82,029.24 × 21,434.45
  4. Step 4: Simplify right side
    54,691.13x = 1,758,251,233.17
  5. Step 5: Solve for x
    x = 1,758,251,233.17/54,691.13
  6. Step 6: Final answer
    x = 32,148.74

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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.