Home / 82,546.20-123,817.86-20,217.24

Finding the Fourth Proportional to 82,546.20, 123,817.86 and 20,217.24

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Solution

The fourth proportional to 82,546.20, 123,817.86 and 20,217.24 is: 30,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,546.20 : 123,817.86 = 20,217.24 : x
  2. Step 2: Convert to fraction form
    82,546.20/123,817.86 = 20,217.24/x
  3. Step 3: Cross multiply
    82,546.20x = 123,817.86 × 20,217.24
  4. Step 4: Simplify right side
    82,546.20x = 2,503,255,391.91
  5. Step 5: Solve for x
    x = 2,503,255,391.91/82,546.20
  6. Step 6: Final answer
    x = 30,325.51

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1.5x scale

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.