Home / 40,741.92-61,118.55-18,560.88

Finding the Fourth Proportional to 40,741.92, 61,118.55 and 18,560.88

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Solution

The fourth proportional to 40,741.92, 61,118.55 and 18,560.88 is: 27,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,741.92 : 61,118.55 = 18,560.88 : x
  2. Step 2: Convert to fraction form
    40,741.92/61,118.55 = 18,560.88/x
  3. Step 3: Cross multiply
    40,741.92x = 61,118.55 × 18,560.88
  4. Step 4: Simplify right side
    40,741.92x = 1,134,414,072.32
  5. Step 5: Solve for x
    x = 1,134,414,072.32/40,741.92
  6. Step 6: Final answer
    x = 27,843.90

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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.