Home / 36,387.56-54,462.92-20,350.64

Finding the Fourth Proportional to 36,387.56, 54,462.92 and 20,350.64

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Solution

The fourth proportional to 36,387.56, 54,462.92 and 20,350.64 is: 30,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,387.56 : 54,462.92 = 20,350.64 : x
  2. Step 2: Convert to fraction form
    36,387.56/54,462.92 = 20,350.64/x
  3. Step 3: Cross multiply
    36,387.56x = 54,462.92 × 20,350.64
  4. Step 4: Simplify right side
    36,387.56x = 1,108,355,278.27
  5. Step 5: Solve for x
    x = 1,108,355,278.27/36,387.56
  6. Step 6: Final answer
    x = 30,459.73

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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.