Home / 48,091.32-72,138.20-22,784.90

Finding the Fourth Proportional to 48,091.32, 72,138.20 and 22,784.90

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Solution

The fourth proportional to 48,091.32, 72,138.20 and 22,784.90 is: 34,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,091.32 : 72,138.20 = 22,784.90 : x
  2. Step 2: Convert to fraction form
    48,091.32/72,138.20 = 22,784.90/x
  3. Step 3: Cross multiply
    48,091.32x = 72,138.20 × 22,784.90
  4. Step 4: Simplify right side
    48,091.32x = 1,643,661,198.56
  5. Step 5: Solve for x
    x = 1,643,661,198.56/48,091.32
  6. Step 6: Final answer
    x = 34,177.92

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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.