Home / 67,144.38-92,628.18-40,240.18

Finding the Fourth Proportional to 67,144.38, 92,628.18 and 40,240.18

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Solution

The fourth proportional to 67,144.38, 92,628.18 and 40,240.18 is: 55,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,144.38 : 92,628.18 = 40,240.18 : x
  2. Step 2: Convert to fraction form
    67,144.38/92,628.18 = 40,240.18/x
  3. Step 3: Cross multiply
    67,144.38x = 92,628.18 × 40,240.18
  4. Step 4: Simplify right side
    67,144.38x = 3,727,374,734.97
  5. Step 5: Solve for x
    x = 3,727,374,734.97/67,144.38
  6. Step 6: Final answer
    x = 55,512.83

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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.