Home / 48,479.74-72,689.82-18,863.04

Finding the Fourth Proportional to 48,479.74, 72,689.82 and 18,863.04

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Solution

The fourth proportional to 48,479.74, 72,689.82 and 18,863.04 is: 28,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,479.74 : 72,689.82 = 18,863.04 : x
  2. Step 2: Convert to fraction form
    48,479.74/72,689.82 = 18,863.04/x
  3. Step 3: Cross multiply
    48,479.74x = 72,689.82 × 18,863.04
  4. Step 4: Simplify right side
    48,479.74x = 1,371,150,982.25
  5. Step 5: Solve for x
    x = 1,371,150,982.25/48,479.74
  6. Step 6: Final answer
    x = 28,282.97

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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.