Home / 38,375.73-57,480.27-18,612.75

Finding the Fourth Proportional to 38,375.73, 57,480.27 and 18,612.75

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Solution

The fourth proportional to 38,375.73, 57,480.27 and 18,612.75 is: 27,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,375.73 : 57,480.27 = 18,612.75 : x
  2. Step 2: Convert to fraction form
    38,375.73/57,480.27 = 18,612.75/x
  3. Step 3: Cross multiply
    38,375.73x = 57,480.27 × 18,612.75
  4. Step 4: Simplify right side
    38,375.73x = 1,069,865,895.44
  5. Step 5: Solve for x
    x = 1,069,865,895.44/38,375.73
  6. Step 6: Final answer
    x = 27,878.71

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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.