Home / 36,380.73-54,516.39-20,568.72

Finding the Fourth Proportional to 36,380.73, 54,516.39 and 20,568.72

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Solution

The fourth proportional to 36,380.73, 54,516.39 and 20,568.72 is: 30,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,380.73 : 54,516.39 = 20,568.72 : x
  2. Step 2: Convert to fraction form
    36,380.73/54,516.39 = 20,568.72/x
  3. Step 3: Cross multiply
    36,380.73x = 54,516.39 × 20,568.72
  4. Step 4: Simplify right side
    36,380.73x = 1,121,332,361.32
  5. Step 5: Solve for x
    x = 1,121,332,361.32/36,380.73
  6. Step 6: Final answer
    x = 30,822.15

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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.