Home / 49,149.66-67,824.36-27,930.90

Finding the Fourth Proportional to 49,149.66, 67,824.36 and 27,930.90

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Solution

The fourth proportional to 49,149.66, 67,824.36 and 27,930.90 is: 38,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,149.66 : 67,824.36 = 27,930.90 : x
  2. Step 2: Convert to fraction form
    49,149.66/67,824.36 = 27,930.90/x
  3. Step 3: Cross multiply
    49,149.66x = 67,824.36 × 27,930.90
  4. Step 4: Simplify right side
    49,149.66x = 1,894,395,416.72
  5. Step 5: Solve for x
    x = 1,894,395,416.72/49,149.66
  6. Step 6: Final answer
    x = 38,543.41

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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.