Home / 54,759.76-82,139.66-19,248.96

Finding the Fourth Proportional to 54,759.76, 82,139.66 and 19,248.96

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Solution

The fourth proportional to 54,759.76, 82,139.66 and 19,248.96 is: 28,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,759.76 : 82,139.66 = 19,248.96 : x
  2. Step 2: Convert to fraction form
    54,759.76/82,139.66 = 19,248.96/x
  3. Step 3: Cross multiply
    54,759.76x = 82,139.66 × 19,248.96
  4. Step 4: Simplify right side
    54,759.76x = 1,581,103,029.75
  5. Step 5: Solve for x
    x = 1,581,103,029.75/54,759.76
  6. Step 6: Final answer
    x = 28,873.45

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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.