Home / 54,648.28-81,974.45-19,102.65

Finding the Fourth Proportional to 54,648.28, 81,974.45 and 19,102.65

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Solution

The fourth proportional to 54,648.28, 81,974.45 and 19,102.65 is: 28,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,648.28 : 81,974.45 = 19,102.65 : x
  2. Step 2: Convert to fraction form
    54,648.28/81,974.45 = 19,102.65/x
  3. Step 3: Cross multiply
    54,648.28x = 81,974.45 × 19,102.65
  4. Step 4: Simplify right side
    54,648.28x = 1,565,929,227.29
  5. Step 5: Solve for x
    x = 1,565,929,227.29/54,648.28
  6. Step 6: Final answer
    x = 28,654.68

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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.