Home / 36,691.31-55,025.44-15,631.13

Finding the Fourth Proportional to 36,691.31, 55,025.44 and 15,631.13

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Solution

The fourth proportional to 36,691.31, 55,025.44 and 15,631.13 is: 23,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.31 : 55,025.44 = 15,631.13 : x
  2. Step 2: Convert to fraction form
    36,691.31/55,025.44 = 15,631.13/x
  3. Step 3: Cross multiply
    36,691.31x = 55,025.44 × 15,631.13
  4. Step 4: Simplify right side
    36,691.31x = 860,109,805.95
  5. Step 5: Solve for x
    x = 860,109,805.95/36,691.31
  6. Step 6: Final answer
    x = 23,441.79

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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.