Home / 36,278.01-54,397.17-11,311.38

Finding the Fourth Proportional to 36,278.01, 54,397.17 and 11,311.38

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Solution

The fourth proportional to 36,278.01, 54,397.17 and 11,311.38 is: 16,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278.01 : 54,397.17 = 11,311.38 : x
  2. Step 2: Convert to fraction form
    36,278.01/54,397.17 = 11,311.38/x
  3. Step 3: Cross multiply
    36,278.01x = 54,397.17 × 11,311.38
  4. Step 4: Simplify right side
    36,278.01x = 615,307,060.79
  5. Step 5: Solve for x
    x = 615,307,060.79/36,278.01
  6. Step 6: Final answer
    x = 16,960.88

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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.