Home / 82,517.28-123,782.46-23,353.32

Finding the Fourth Proportional to 82,517.28, 123,782.46 and 23,353.32

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Solution

The fourth proportional to 82,517.28, 123,782.46 and 23,353.32 is: 35,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,517.28 : 123,782.46 = 23,353.32 : x
  2. Step 2: Convert to fraction form
    82,517.28/123,782.46 = 23,353.32/x
  3. Step 3: Cross multiply
    82,517.28x = 123,782.46 × 23,353.32
  4. Step 4: Simplify right side
    82,517.28x = 2,890,731,398.77
  5. Step 5: Solve for x
    x = 2,890,731,398.77/82,517.28
  6. Step 6: Final answer
    x = 35,031.83

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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.