Home / 49,180.32-67,872-27,961.92

Finding the Fourth Proportional to 49,180.32, 67,872 and 27,961.92

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Solution

The fourth proportional to 49,180.32, 67,872 and 27,961.92 is: 38,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,180.32 : 67,872 = 27,961.92 : x
  2. Step 2: Convert to fraction form
    49,180.32/67,872 = 27,961.92/x
  3. Step 3: Cross multiply
    49,180.32x = 67,872 × 27,961.92
  4. Step 4: Simplify right side
    49,180.32x = 1,897,831,434.24
  5. Step 5: Solve for x
    x = 1,897,831,434.24/49,180.32
  6. Step 6: Final answer
    x = 38,589.25

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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.