Home / 43,513.20-65,183.40-25,930.80

Finding the Fourth Proportional to 43,513.20, 65,183.40 and 25,930.80

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Solution

The fourth proportional to 43,513.20, 65,183.40 and 25,930.80 is: 38,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,513.20 : 65,183.40 = 25,930.80 : x
  2. Step 2: Convert to fraction form
    43,513.20/65,183.40 = 25,930.80/x
  3. Step 3: Cross multiply
    43,513.20x = 65,183.40 × 25,930.80
  4. Step 4: Simplify right side
    43,513.20x = 1,690,257,708.72
  5. Step 5: Solve for x
    x = 1,690,257,708.72/43,513.20
  6. Step 6: Final answer
    x = 38,844.71

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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.