Home / 48,443.27-72,641.21-19,974.90

Finding the Fourth Proportional to 48,443.27, 72,641.21 and 19,974.90

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Solution

The fourth proportional to 48,443.27, 72,641.21 and 19,974.90 is: 29,952.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,443.27 : 72,641.21 = 19,974.90 : x
  2. Step 2: Convert to fraction form
    48,443.27/72,641.21 = 19,974.90/x
  3. Step 3: Cross multiply
    48,443.27x = 72,641.21 × 19,974.90
  4. Step 4: Simplify right side
    48,443.27x = 1,451,001,078.16
  5. Step 5: Solve for x
    x = 1,451,001,078.16/48,443.27
  6. Step 6: Final answer
    x = 29,952.59

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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.