Home / 48,464.12-72,642.42-20,375.85

Finding the Fourth Proportional to 48,464.12, 72,642.42 and 20,375.85

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Solution

The fourth proportional to 48,464.12, 72,642.42 and 20,375.85 is: 30,541.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,464.12 : 72,642.42 = 20,375.85 : x
  2. Step 2: Convert to fraction form
    48,464.12/72,642.42 = 20,375.85/x
  3. Step 3: Cross multiply
    48,464.12x = 72,642.42 × 20,375.85
  4. Step 4: Simplify right side
    48,464.12x = 1,480,151,325.97
  5. Step 5: Solve for x
    x = 1,480,151,325.97/48,464.12
  6. Step 6: Final answer
    x = 30,541.18

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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.