Home / 48,146.95-72,181.30-20,087.92

Finding the Fourth Proportional to 48,146.95, 72,181.30 and 20,087.92

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Solution

The fourth proportional to 48,146.95, 72,181.30 and 20,087.92 is: 30,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,146.95 : 72,181.30 = 20,087.92 : x
  2. Step 2: Convert to fraction form
    48,146.95/72,181.30 = 20,087.92/x
  3. Step 3: Cross multiply
    48,146.95x = 72,181.30 × 20,087.92
  4. Step 4: Simplify right side
    48,146.95x = 1,449,972,179.90
  5. Step 5: Solve for x
    x = 1,449,972,179.90/48,146.95
  6. Step 6: Final answer
    x = 30,115.56

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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.