Home / 54,305.38-81,470.82-16,863.52

Finding the Fourth Proportional to 54,305.38, 81,470.82 and 16,863.52

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Solution

The fourth proportional to 54,305.38, 81,470.82 and 16,863.52 is: 25,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,305.38 : 81,470.82 = 16,863.52 : x
  2. Step 2: Convert to fraction form
    54,305.38/81,470.82 = 16,863.52/x
  3. Step 3: Cross multiply
    54,305.38x = 81,470.82 × 16,863.52
  4. Step 4: Simplify right side
    54,305.38x = 1,373,884,802.49
  5. Step 5: Solve for x
    x = 1,373,884,802.49/54,305.38
  6. Step 6: Final answer
    x = 25,299.24

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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.