Home / 54,652.10-75,425.27-31,989.71

Finding the Fourth Proportional to 54,652.10, 75,425.27 and 31,989.71

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Solution

The fourth proportional to 54,652.10, 75,425.27 and 31,989.71 is: 44,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,652.10 : 75,425.27 = 31,989.71 : x
  2. Step 2: Convert to fraction form
    54,652.10/75,425.27 = 31,989.71/x
  3. Step 3: Cross multiply
    54,652.10x = 75,425.27 × 31,989.71
  4. Step 4: Simplify right side
    54,652.10x = 2,412,832,542.59
  5. Step 5: Solve for x
    x = 2,412,832,542.59/54,652.10
  6. Step 6: Final answer
    x = 44,148.95

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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.