Home / 67,003.68-92,481.84-38,727.12

Finding the Fourth Proportional to 67,003.68, 92,481.84 and 38,727.12

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Solution

The fourth proportional to 67,003.68, 92,481.84 and 38,727.12 is: 53,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,003.68 : 92,481.84 = 38,727.12 : x
  2. Step 2: Convert to fraction form
    67,003.68/92,481.84 = 38,727.12/x
  3. Step 3: Cross multiply
    67,003.68x = 92,481.84 × 38,727.12
  4. Step 4: Simplify right side
    67,003.68x = 3,581,555,315.50
  5. Step 5: Solve for x
    x = 3,581,555,315.50/67,003.68
  6. Step 6: Final answer
    x = 53,453.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.