Home / 33,149.28-45,734.46-18,807.42

Finding the Fourth Proportional to 33,149.28, 45,734.46 and 18,807.42

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Solution

The fourth proportional to 33,149.28, 45,734.46 and 18,807.42 is: 25,947.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,149.28 : 45,734.46 = 18,807.42 : x
  2. Step 2: Convert to fraction form
    33,149.28/45,734.46 = 18,807.42/x
  3. Step 3: Cross multiply
    33,149.28x = 45,734.46 × 18,807.42
  4. Step 4: Simplify right side
    33,149.28x = 860,147,197.69
  5. Step 5: Solve for x
    x = 860,147,197.69/33,149.28
  6. Step 6: Final answer
    x = 25,947.69

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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.