Home / 39,672.98-59,519.31-19,691.85

Finding the Fourth Proportional to 39,672.98, 59,519.31 and 19,691.85

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Solution

The fourth proportional to 39,672.98, 59,519.31 and 19,691.85 is: 29,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,672.98 : 59,519.31 = 19,691.85 : x
  2. Step 2: Convert to fraction form
    39,672.98/59,519.31 = 19,691.85/x
  3. Step 3: Cross multiply
    39,672.98x = 59,519.31 × 19,691.85
  4. Step 4: Simplify right side
    39,672.98x = 1,172,045,055.48
  5. Step 5: Solve for x
    x = 1,172,045,055.48/39,672.98
  6. Step 6: Final answer
    x = 29,542.65

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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.