Home / 39,596.24-54,642.83-21,691.89

Finding the Fourth Proportional to 39,596.24, 54,642.83 and 21,691.89

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Solution

The fourth proportional to 39,596.24, 54,642.83 and 21,691.89 is: 29,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,596.24 : 54,642.83 = 21,691.89 : x
  2. Step 2: Convert to fraction form
    39,596.24/54,642.83 = 21,691.89/x
  3. Step 3: Cross multiply
    39,596.24x = 54,642.83 × 21,691.89
  4. Step 4: Simplify right side
    39,596.24x = 1,185,306,257.65
  5. Step 5: Solve for x
    x = 1,185,306,257.65/39,596.24
  6. Step 6: Final answer
    x = 29,934.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.