Home / 48,371.30-72,584.96-20,288.85

Finding the Fourth Proportional to 48,371.30, 72,584.96 and 20,288.85

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Solution

The fourth proportional to 48,371.30, 72,584.96 and 20,288.85 is: 30,445.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,371.30 : 72,584.96 = 20,288.85 : x
  2. Step 2: Convert to fraction form
    48,371.30/72,584.96 = 20,288.85/x
  3. Step 3: Cross multiply
    48,371.30x = 72,584.96 × 20,288.85
  4. Step 4: Simplify right side
    48,371.30x = 1,472,665,264.25
  5. Step 5: Solve for x
    x = 1,472,665,264.25/48,371.30
  6. Step 6: Final answer
    x = 30,445.02

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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.