Home / 33,185.38-45,763.23-28,163.38

Finding the Fourth Proportional to 33,185.38, 45,763.23 and 28,163.38

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Solution

The fourth proportional to 33,185.38, 45,763.23 and 28,163.38 is: 38,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,185.38 : 45,763.23 = 28,163.38 : x
  2. Step 2: Convert to fraction form
    33,185.38/45,763.23 = 28,163.38/x
  3. Step 3: Cross multiply
    33,185.38x = 45,763.23 × 28,163.38
  4. Step 4: Simplify right side
    33,185.38x = 1,288,847,236.52
  5. Step 5: Solve for x
    x = 1,288,847,236.52/33,185.38
  6. Step 6: Final answer
    x = 38,837.80

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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.