Home / 36,481.35-50,344.26-20,565.80

Finding the Fourth Proportional to 36,481.35, 50,344.26 and 20,565.80

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Solution

The fourth proportional to 36,481.35, 50,344.26 and 20,565.80 is: 28,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,481.35 : 50,344.26 = 20,565.80 : x
  2. Step 2: Convert to fraction form
    36,481.35/50,344.26 = 20,565.80/x
  3. Step 3: Cross multiply
    36,481.35x = 50,344.26 × 20,565.80
  4. Step 4: Simplify right side
    36,481.35x = 1,035,369,982.31
  5. Step 5: Solve for x
    x = 1,035,369,982.31/36,481.35
  6. Step 6: Final answer
    x = 28,380.80

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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.