Home / 49,375.80-74,062.03-19,785.69

Finding the Fourth Proportional to 49,375.80, 74,062.03 and 19,785.69

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Solution

The fourth proportional to 49,375.80, 74,062.03 and 19,785.69 is: 29,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,375.80 : 74,062.03 = 19,785.69 : x
  2. Step 2: Convert to fraction form
    49,375.80/74,062.03 = 19,785.69/x
  3. Step 3: Cross multiply
    49,375.80x = 74,062.03 × 19,785.69
  4. Step 4: Simplify right side
    49,375.80x = 1,465,368,366.35
  5. Step 5: Solve for x
    x = 1,465,368,366.35/49,375.80
  6. Step 6: Final answer
    x = 29,677.87

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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.