Home / 40,183.12-60,273.88-12,481.04

Finding the Fourth Proportional to 40,183.12, 60,273.88 and 12,481.04

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Solution

The fourth proportional to 40,183.12, 60,273.88 and 12,481.04 is: 18,721.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,183.12 : 60,273.88 = 12,481.04 : x
  2. Step 2: Convert to fraction form
    40,183.12/60,273.88 = 12,481.04/x
  3. Step 3: Cross multiply
    40,183.12x = 60,273.88 × 12,481.04
  4. Step 4: Simplify right side
    40,183.12x = 752,280,707.24
  5. Step 5: Solve for x
    x = 752,280,707.24/40,183.12
  6. Step 6: Final answer
    x = 18,721.31

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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.