Home / 39,998.79-55,191.11-25,843.43

Finding the Fourth Proportional to 39,998.79, 55,191.11 and 25,843.43

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Solution

The fourth proportional to 39,998.79, 55,191.11 and 25,843.43 is: 35,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.79 : 55,191.11 = 25,843.43 : x
  2. Step 2: Convert to fraction form
    39,998.79/55,191.11 = 25,843.43/x
  3. Step 3: Cross multiply
    39,998.79x = 55,191.11 × 25,843.43
  4. Step 4: Simplify right side
    39,998.79x = 1,426,327,550.47
  5. Step 5: Solve for x
    x = 1,426,327,550.47/39,998.79
  6. Step 6: Final answer
    x = 35,659.27

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Double scale
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Similar ratio
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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.