Home / 36,007.38-49,691.21-20,091.51

Finding the Fourth Proportional to 36,007.38, 49,691.21 and 20,091.51

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Solution

The fourth proportional to 36,007.38, 49,691.21 and 20,091.51 is: 27,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,007.38 : 49,691.21 = 20,091.51 : x
  2. Step 2: Convert to fraction form
    36,007.38/49,691.21 = 20,091.51/x
  3. Step 3: Cross multiply
    36,007.38x = 49,691.21 × 20,091.51
  4. Step 4: Simplify right side
    36,007.38x = 998,371,342.17
  5. Step 5: Solve for x
    x = 998,371,342.17/36,007.38
  6. Step 6: Final answer
    x = 27,726.85

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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.