Home / 33,789.92-46,628.66-20,001.20

Finding the Fourth Proportional to 33,789.92, 46,628.66 and 20,001.20

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Solution

The fourth proportional to 33,789.92, 46,628.66 and 20,001.20 is: 27,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,789.92 : 46,628.66 = 20,001.20 : x
  2. Step 2: Convert to fraction form
    33,789.92/46,628.66 = 20,001.20/x
  3. Step 3: Cross multiply
    33,789.92x = 46,628.66 × 20,001.20
  4. Step 4: Simplify right side
    33,789.92x = 932,629,154.39
  5. Step 5: Solve for x
    x = 932,629,154.39/33,789.92
  6. Step 6: Final answer
    x = 27,600.81

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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.