Home / 41,142.08-61,713.12-9,977.28

Finding the Fourth Proportional to 41,142.08, 61,713.12 and 9,977.28

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Solution

The fourth proportional to 41,142.08, 61,713.12 and 9,977.28 is: 14,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,142.08 : 61,713.12 = 9,977.28 : x
  2. Step 2: Convert to fraction form
    41,142.08/61,713.12 = 9,977.28/x
  3. Step 3: Cross multiply
    41,142.08x = 61,713.12 × 9,977.28
  4. Step 4: Simplify right side
    41,142.08x = 615,729,077.91
  5. Step 5: Solve for x
    x = 615,729,077.91/41,142.08
  6. Step 6: Final answer
    x = 14,965.92

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Similar ratio
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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.