Home / 38,067.57-57,108.29-12,764.59

Finding the Fourth Proportional to 38,067.57, 57,108.29 and 12,764.59

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Solution

The fourth proportional to 38,067.57, 57,108.29 and 12,764.59 is: 19,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,067.57 : 57,108.29 = 12,764.59 : x
  2. Step 2: Convert to fraction form
    38,067.57/57,108.29 = 12,764.59/x
  3. Step 3: Cross multiply
    38,067.57x = 57,108.29 × 12,764.59
  4. Step 4: Simplify right side
    38,067.57x = 728,963,772.66
  5. Step 5: Solve for x
    x = 728,963,772.66/38,067.57
  6. Step 6: Final answer
    x = 19,149.21

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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.