Home / 40,255.68-55,553.05-25,157.12

Finding the Fourth Proportional to 40,255.68, 55,553.05 and 25,157.12

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Solution

The fourth proportional to 40,255.68, 55,553.05 and 25,157.12 is: 34,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,255.68 : 55,553.05 = 25,157.12 : x
  2. Step 2: Convert to fraction form
    40,255.68/55,553.05 = 25,157.12/x
  3. Step 3: Cross multiply
    40,255.68x = 55,553.05 × 25,157.12
  4. Step 4: Simplify right side
    40,255.68x = 1,397,554,619.43
  5. Step 5: Solve for x
    x = 1,397,554,619.43/40,255.68
  6. Step 6: Final answer
    x = 34,716.95

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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.