Home / 36,081.50-49,793.38-20,168.60

Finding the Fourth Proportional to 36,081.50, 49,793.38 and 20,168.60

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Solution

The fourth proportional to 36,081.50, 49,793.38 and 20,168.60 is: 27,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.50 : 49,793.38 = 20,168.60 : x
  2. Step 2: Convert to fraction form
    36,081.50/49,793.38 = 20,168.60/x
  3. Step 3: Cross multiply
    36,081.50x = 49,793.38 × 20,168.60
  4. Step 4: Simplify right side
    36,081.50x = 1,004,262,763.87
  5. Step 5: Solve for x
    x = 1,004,262,763.87/36,081.50
  6. Step 6: Final answer
    x = 27,833.18

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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.