Home / 35,691.11-49,251.66-19,774.61

Finding the Fourth Proportional to 35,691.11, 49,251.66 and 19,774.61

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Solution

The fourth proportional to 35,691.11, 49,251.66 and 19,774.61 is: 27,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.11 : 49,251.66 = 19,774.61 : x
  2. Step 2: Convert to fraction form
    35,691.11/49,251.66 = 19,774.61/x
  3. Step 3: Cross multiply
    35,691.11x = 49,251.66 × 19,774.61
  4. Step 4: Simplify right side
    35,691.11x = 973,932,122.09
  5. Step 5: Solve for x
    x = 973,932,122.09/35,691.11
  6. Step 6: Final answer
    x = 27,287.81

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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.