Home / 49,499.61-74,286.32-19,917.70

Finding the Fourth Proportional to 49,499.61, 74,286.32 and 19,917.70

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Solution

The fourth proportional to 49,499.61, 74,286.32 and 19,917.70 is: 29,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,499.61 : 74,286.32 = 19,917.70 : x
  2. Step 2: Convert to fraction form
    49,499.61/74,286.32 = 19,917.70/x
  3. Step 3: Cross multiply
    49,499.61x = 74,286.32 × 19,917.70
  4. Step 4: Simplify right side
    49,499.61x = 1,479,612,350.56
  5. Step 5: Solve for x
    x = 1,479,612,350.56/49,499.61
  6. Step 6: Final answer
    x = 29,891.40

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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.