Home / 36,406.46-54,617.49-20,618.96

Finding the Fourth Proportional to 36,406.46, 54,617.49 and 20,618.96

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Solution

The fourth proportional to 36,406.46, 54,617.49 and 20,618.96 is: 30,932.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,406.46 : 54,617.49 = 20,618.96 : x
  2. Step 2: Convert to fraction form
    36,406.46/54,617.49 = 20,618.96/x
  3. Step 3: Cross multiply
    36,406.46x = 54,617.49 × 20,618.96
  4. Step 4: Simplify right side
    36,406.46x = 1,126,155,568.52
  5. Step 5: Solve for x
    x = 1,126,155,568.52/36,406.46
  6. Step 6: Final answer
    x = 30,932.85

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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.