Home / 54,754.96-82,168.80-19,694.56

Finding the Fourth Proportional to 54,754.96, 82,168.80 and 19,694.56

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Solution

The fourth proportional to 54,754.96, 82,168.80 and 19,694.56 is: 29,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754.96 : 82,168.80 = 19,694.56 : x
  2. Step 2: Convert to fraction form
    54,754.96/82,168.80 = 19,694.56/x
  3. Step 3: Cross multiply
    54,754.96x = 82,168.80 × 19,694.56
  4. Step 4: Simplify right side
    54,754.96x = 1,618,278,361.73
  5. Step 5: Solve for x
    x = 1,618,278,361.73/54,754.96
  6. Step 6: Final answer
    x = 29,554.92

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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.