Home / 33,171.13-45,743.57-28,149.13

Finding the Fourth Proportional to 33,171.13, 45,743.57 and 28,149.13

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Solution

The fourth proportional to 33,171.13, 45,743.57 and 28,149.13 is: 38,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,171.13 : 45,743.57 = 28,149.13 : x
  2. Step 2: Convert to fraction form
    33,171.13/45,743.57 = 28,149.13/x
  3. Step 3: Cross multiply
    33,171.13x = 45,743.57 × 28,149.13
  4. Step 4: Simplify right side
    33,171.13x = 1,287,641,557.85
  5. Step 5: Solve for x
    x = 1,287,641,557.85/33,171.13
  6. Step 6: Final answer
    x = 38,818.14

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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.