Home / 36,139.07-54,110.20-28,105.95

Finding the Fourth Proportional to 36,139.07, 54,110.20 and 28,105.95

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Solution

The fourth proportional to 36,139.07, 54,110.20 and 28,105.95 is: 42,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.07 : 54,110.20 = 28,105.95 : x
  2. Step 2: Convert to fraction form
    36,139.07/54,110.20 = 28,105.95/x
  3. Step 3: Cross multiply
    36,139.07x = 54,110.20 × 28,105.95
  4. Step 4: Simplify right side
    36,139.07x = 1,520,818,505.43
  5. Step 5: Solve for x
    x = 1,520,818,505.43/36,139.07
  6. Step 6: Final answer
    x = 42,082.39

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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.