Home / 38,628.97-57,934.36-21,769.33

Finding the Fourth Proportional to 38,628.97, 57,934.36 and 21,769.33

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Solution

The fourth proportional to 38,628.97, 57,934.36 and 21,769.33 is: 32,648.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628.97 : 57,934.36 = 21,769.33 : x
  2. Step 2: Convert to fraction form
    38,628.97/57,934.36 = 21,769.33/x
  3. Step 3: Cross multiply
    38,628.97x = 57,934.36 × 21,769.33
  4. Step 4: Simplify right side
    38,628.97x = 1,261,192,201.18
  5. Step 5: Solve for x
    x = 1,261,192,201.18/38,628.97
  6. Step 6: Final answer
    x = 32,648.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.