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Finding the Fourth Proportional to 41,151.44, 61,720.82 and 13,067.82

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Solution

The fourth proportional to 41,151.44, 61,720.82 and 13,067.82 is: 19,599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,151.44 : 61,720.82 = 13,067.82 : x
  2. Step 2: Convert to fraction form
    41,151.44/61,720.82 = 13,067.82/x
  3. Step 3: Cross multiply
    41,151.44x = 61,720.82 × 13,067.82
  4. Step 4: Simplify right side
    41,151.44x = 806,556,566.01
  5. Step 5: Solve for x
    x = 806,556,566.01/41,151.44
  6. Step 6: Final answer
    x = 19,599.72

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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.