Home / 63,771.66-95,642.88-18,781.38

Finding the Fourth Proportional to 63,771.66, 95,642.88 and 18,781.38

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Solution

The fourth proportional to 63,771.66, 95,642.88 and 18,781.38 is: 28,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,771.66 : 95,642.88 = 18,781.38 : x
  2. Step 2: Convert to fraction form
    63,771.66/95,642.88 = 18,781.38/x
  3. Step 3: Cross multiply
    63,771.66x = 95,642.88 × 18,781.38
  4. Step 4: Simplify right side
    63,771.66x = 1,796,305,273.57
  5. Step 5: Solve for x
    x = 1,796,305,273.57/63,771.66
  6. Step 6: Final answer
    x = 28,167.77

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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.