Home / 54,876.28-82,314.42-21,578.15

Finding the Fourth Proportional to 54,876.28, 82,314.42 and 21,578.15

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Solution

The fourth proportional to 54,876.28, 82,314.42 and 21,578.15 is: 32,367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,876.28 : 82,314.42 = 21,578.15 : x
  2. Step 2: Convert to fraction form
    54,876.28/82,314.42 = 21,578.15/x
  3. Step 3: Cross multiply
    54,876.28x = 82,314.42 × 21,578.15
  4. Step 4: Simplify right side
    54,876.28x = 1,776,192,901.92
  5. Step 5: Solve for x
    x = 1,776,192,901.92/54,876.28
  6. Step 6: Final answer
    x = 32,367.23

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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.