Home / 34,190.32-47,183.08-20,039.60

Finding the Fourth Proportional to 34,190.32, 47,183.08 and 20,039.60

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Solution

The fourth proportional to 34,190.32, 47,183.08 and 20,039.60 is: 27,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,190.32 : 47,183.08 = 20,039.60 : x
  2. Step 2: Convert to fraction form
    34,190.32/47,183.08 = 20,039.60/x
  3. Step 3: Cross multiply
    34,190.32x = 47,183.08 × 20,039.60
  4. Step 4: Simplify right side
    34,190.32x = 945,530,049.97
  5. Step 5: Solve for x
    x = 945,530,049.97/34,190.32
  6. Step 6: Final answer
    x = 27,654.90

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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.