Home / 82,319.01-123,478.52-29,728.55

Finding the Fourth Proportional to 82,319.01, 123,478.52 and 29,728.55

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Solution

The fourth proportional to 82,319.01, 123,478.52 and 29,728.55 is: 44,592.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,319.01 : 123,478.52 = 29,728.55 : x
  2. Step 2: Convert to fraction form
    82,319.01/123,478.52 = 29,728.55/x
  3. Step 3: Cross multiply
    82,319.01x = 123,478.52 × 29,728.55
  4. Step 4: Simplify right side
    82,319.01x = 3,670,836,589.71
  5. Step 5: Solve for x
    x = 3,670,836,589.71/82,319.01
  6. Step 6: Final answer
    x = 44,592.82

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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.