Home / 40,710.27-61,067.43-12,649.44

Finding the Fourth Proportional to 40,710.27, 61,067.43 and 12,649.44

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Solution

The fourth proportional to 40,710.27, 61,067.43 and 12,649.44 is: 18,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,710.27 : 61,067.43 = 12,649.44 : x
  2. Step 2: Convert to fraction form
    40,710.27/61,067.43 = 12,649.44/x
  3. Step 3: Cross multiply
    40,710.27x = 61,067.43 × 12,649.44
  4. Step 4: Simplify right side
    40,710.27x = 772,468,791.74
  5. Step 5: Solve for x
    x = 772,468,791.74/40,710.27
  6. Step 6: Final answer
    x = 18,974.79

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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.