Home / 48,209.28-72,327-20,120.04

Finding the Fourth Proportional to 48,209.28, 72,327 and 20,120.04

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Solution

The fourth proportional to 48,209.28, 72,327 and 20,120.04 is: 30,185.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,209.28 : 72,327 = 20,120.04 : x
  2. Step 2: Convert to fraction form
    48,209.28/72,327 = 20,120.04/x
  3. Step 3: Cross multiply
    48,209.28x = 72,327 × 20,120.04
  4. Step 4: Simplify right side
    48,209.28x = 1,455,222,133.08
  5. Step 5: Solve for x
    x = 1,455,222,133.08/48,209.28
  6. Step 6: Final answer
    x = 30,185.52

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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.