Home / 41,111.20-61,630.80-27,920.80

Finding the Fourth Proportional to 41,111.20, 61,630.80 and 27,920.80

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Solution

The fourth proportional to 41,111.20, 61,630.80 and 27,920.80 is: 41,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,111.20 : 61,630.80 = 27,920.80 : x
  2. Step 2: Convert to fraction form
    41,111.20/61,630.80 = 27,920.80/x
  3. Step 3: Cross multiply
    41,111.20x = 61,630.80 × 27,920.80
  4. Step 4: Simplify right side
    41,111.20x = 1,720,781,240.64
  5. Step 5: Solve for x
    x = 1,720,781,240.64/41,111.20
  6. Step 6: Final answer
    x = 41,856.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.