Home / 40,158.59-55,418.20-22,253.54

Finding the Fourth Proportional to 40,158.59, 55,418.20 and 22,253.54

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Solution

The fourth proportional to 40,158.59, 55,418.20 and 22,253.54 is: 30,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.59 : 55,418.20 = 22,253.54 : x
  2. Step 2: Convert to fraction form
    40,158.59/55,418.20 = 22,253.54/x
  3. Step 3: Cross multiply
    40,158.59x = 55,418.20 × 22,253.54
  4. Step 4: Simplify right side
    40,158.59x = 1,233,250,797.70
  5. Step 5: Solve for x
    x = 1,233,250,797.70/40,158.59
  6. Step 6: Final answer
    x = 30,709.52

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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.