Home / 49,265.73-73,900.17-19,278.78

Finding the Fourth Proportional to 49,265.73, 73,900.17 and 19,278.78

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Solution

The fourth proportional to 49,265.73, 73,900.17 and 19,278.78 is: 28,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,265.73 : 73,900.17 = 19,278.78 : x
  2. Step 2: Convert to fraction form
    49,265.73/73,900.17 = 19,278.78/x
  3. Step 3: Cross multiply
    49,265.73x = 73,900.17 × 19,278.78
  4. Step 4: Simplify right side
    49,265.73x = 1,424,705,119.39
  5. Step 5: Solve for x
    x = 1,424,705,119.39/49,265.73
  6. Step 6: Final answer
    x = 28,918.79

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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.