Home / 49,781.59-74,658.71-18,185.82

Finding the Fourth Proportional to 49,781.59, 74,658.71 and 18,185.82

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Solution

The fourth proportional to 49,781.59, 74,658.71 and 18,185.82 is: 27,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,781.59 : 74,658.71 = 18,185.82 : x
  2. Step 2: Convert to fraction form
    49,781.59/74,658.71 = 18,185.82/x
  3. Step 3: Cross multiply
    49,781.59x = 74,658.71 × 18,185.82
  4. Step 4: Simplify right side
    49,781.59x = 1,357,729,626.99
  5. Step 5: Solve for x
    x = 1,357,729,626.99/49,781.59
  6. Step 6: Final answer
    x = 27,273.73

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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.