Home / 54,788.64-82,151.28-21,469.74

Finding the Fourth Proportional to 54,788.64, 82,151.28 and 21,469.74

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Solution

The fourth proportional to 54,788.64, 82,151.28 and 21,469.74 is: 32,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,788.64 : 82,151.28 = 21,469.74 : x
  2. Step 2: Convert to fraction form
    54,788.64/82,151.28 = 21,469.74/x
  3. Step 3: Cross multiply
    54,788.64x = 82,151.28 × 21,469.74
  4. Step 4: Simplify right side
    54,788.64x = 1,763,766,622.27
  5. Step 5: Solve for x
    x = 1,763,766,622.27/54,788.64
  6. Step 6: Final answer
    x = 32,192.20

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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.