Home / 67,039.43-92,511.41-40,196.75

Finding the Fourth Proportional to 67,039.43, 92,511.41 and 40,196.75

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Solution

The fourth proportional to 67,039.43, 92,511.41 and 40,196.75 is: 55,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,039.43 : 92,511.41 = 40,196.75 : x
  2. Step 2: Convert to fraction form
    67,039.43/92,511.41 = 40,196.75/x
  3. Step 3: Cross multiply
    67,039.43x = 92,511.41 × 40,196.75
  4. Step 4: Simplify right side
    67,039.43x = 3,718,657,356.38
  5. Step 5: Solve for x
    x = 3,718,657,356.38/67,039.43
  6. Step 6: Final answer
    x = 55,469.71

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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.