Home / 67,544.08-101,321.18-20,155.43

Finding the Fourth Proportional to 67,544.08, 101,321.18 and 20,155.43

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Solution

The fourth proportional to 67,544.08, 101,321.18 and 20,155.43 is: 30,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,544.08 : 101,321.18 = 20,155.43 : x
  2. Step 2: Convert to fraction form
    67,544.08/101,321.18 = 20,155.43/x
  3. Step 3: Cross multiply
    67,544.08x = 101,321.18 × 20,155.43
  4. Step 4: Simplify right side
    67,544.08x = 2,042,172,179.12
  5. Step 5: Solve for x
    x = 2,042,172,179.12/67,544.08
  6. Step 6: Final answer
    x = 30,234.66

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1.5x scale

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.