Home / 55,167.30-82,728.27-21,882.78

Finding the Fourth Proportional to 55,167.30, 82,728.27 and 21,882.78

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Solution

The fourth proportional to 55,167.30, 82,728.27 and 21,882.78 is: 32,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,167.30 : 82,728.27 = 21,882.78 : x
  2. Step 2: Convert to fraction form
    55,167.30/82,728.27 = 21,882.78/x
  3. Step 3: Cross multiply
    55,167.30x = 82,728.27 × 21,882.78
  4. Step 4: Simplify right side
    55,167.30x = 1,810,324,532.19
  5. Step 5: Solve for x
    x = 1,810,324,532.19/55,167.30
  6. Step 6: Final answer
    x = 32,815.17

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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.