Home / 54,318.96-74,819.94-38,375.72

Finding the Fourth Proportional to 54,318.96, 74,819.94 and 38,375.72

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Solution

The fourth proportional to 54,318.96, 74,819.94 and 38,375.72 is: 52,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,318.96 : 74,819.94 = 38,375.72 : x
  2. Step 2: Convert to fraction form
    54,318.96/74,819.94 = 38,375.72/x
  3. Step 3: Cross multiply
    54,318.96x = 74,819.94 × 38,375.72
  4. Step 4: Simplify right side
    54,318.96x = 2,871,269,067.86
  5. Step 5: Solve for x
    x = 2,871,269,067.86/54,318.96
  6. Step 6: Final answer
    x = 52,859.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.