Home / 54,835.68-82,253.28-13,282.56

Finding the Fourth Proportional to 54,835.68, 82,253.28 and 13,282.56

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Solution

The fourth proportional to 54,835.68, 82,253.28 and 13,282.56 is: 19,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,835.68 : 82,253.28 = 13,282.56 : x
  2. Step 2: Convert to fraction form
    54,835.68/82,253.28 = 13,282.56/x
  3. Step 3: Cross multiply
    54,835.68x = 82,253.28 × 13,282.56
  4. Step 4: Simplify right side
    54,835.68x = 1,092,534,126.80
  5. Step 5: Solve for x
    x = 1,092,534,126.80/54,835.68
  6. Step 6: Final answer
    x = 19,923.78

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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.