Home / 48,170.30-72,268.44-20,081.02

Finding the Fourth Proportional to 48,170.30, 72,268.44 and 20,081.02

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Solution

The fourth proportional to 48,170.30, 72,268.44 and 20,081.02 is: 30,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,170.30 : 72,268.44 = 20,081.02 : x
  2. Step 2: Convert to fraction form
    48,170.30/72,268.44 = 20,081.02/x
  3. Step 3: Cross multiply
    48,170.30x = 72,268.44 × 20,081.02
  4. Step 4: Simplify right side
    48,170.30x = 1,451,223,989.01
  5. Step 5: Solve for x
    x = 1,451,223,989.01/48,170.30
  6. Step 6: Final answer
    x = 30,126.95

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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.