Home / 54,877.28-82,335.68-21,578.88

Finding the Fourth Proportional to 54,877.28, 82,335.68 and 21,578.88

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Solution

The fourth proportional to 54,877.28, 82,335.68 and 21,578.88 is: 32,376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,877.28 : 82,335.68 = 21,578.88 : x
  2. Step 2: Convert to fraction form
    54,877.28/82,335.68 = 21,578.88/x
  3. Step 3: Cross multiply
    54,877.28x = 82,335.68 × 21,578.88
  4. Step 4: Simplify right side
    54,877.28x = 1,776,711,758.44
  5. Step 5: Solve for x
    x = 1,776,711,758.44/54,877.28
  6. Step 6: Final answer
    x = 32,376.09

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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.