Home / 40,066.28-55,241.22-25,700.80

Finding the Fourth Proportional to 40,066.28, 55,241.22 and 25,700.80

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Solution

The fourth proportional to 40,066.28, 55,241.22 and 25,700.80 is: 35,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,066.28 : 55,241.22 = 25,700.80 : x
  2. Step 2: Convert to fraction form
    40,066.28/55,241.22 = 25,700.80/x
  3. Step 3: Cross multiply
    40,066.28x = 55,241.22 × 25,700.80
  4. Step 4: Simplify right side
    40,066.28x = 1,419,743,546.98
  5. Step 5: Solve for x
    x = 1,419,743,546.98/40,066.28
  6. Step 6: Final answer
    x = 35,434.87

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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.