Home / 47,781.20-65,840.92-36,960.36

Finding the Fourth Proportional to 47,781.20, 65,840.92 and 36,960.36

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Solution

The fourth proportional to 47,781.20, 65,840.92 and 36,960.36 is: 50,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,781.20 : 65,840.92 = 36,960.36 : x
  2. Step 2: Convert to fraction form
    47,781.20/65,840.92 = 36,960.36/x
  3. Step 3: Cross multiply
    47,781.20x = 65,840.92 × 36,960.36
  4. Step 4: Simplify right side
    47,781.20x = 2,433,504,105.93
  5. Step 5: Solve for x
    x = 2,433,504,105.93/47,781.20
  6. Step 6: Final answer
    x = 50,930.16

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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.