Home / 38,418.39-57,634.56-18,696.96

Finding the Fourth Proportional to 38,418.39, 57,634.56 and 18,696.96

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Solution

The fourth proportional to 38,418.39, 57,634.56 and 18,696.96 is: 28,048.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,418.39 : 57,634.56 = 18,696.96 : x
  2. Step 2: Convert to fraction form
    38,418.39/57,634.56 = 18,696.96/x
  3. Step 3: Cross multiply
    38,418.39x = 57,634.56 × 18,696.96
  4. Step 4: Simplify right side
    38,418.39x = 1,077,591,062.94
  5. Step 5: Solve for x
    x = 1,077,591,062.94/38,418.39
  6. Step 6: Final answer
    x = 28,048.83

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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.