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Finding the Fourth Proportional to 36,896.89, 50,930.86 and 21,789.62

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Solution

The fourth proportional to 36,896.89, 50,930.86 and 21,789.62 is: 30,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,896.89 : 50,930.86 = 21,789.62 : x
  2. Step 2: Convert to fraction form
    36,896.89/50,930.86 = 21,789.62/x
  3. Step 3: Cross multiply
    36,896.89x = 50,930.86 × 21,789.62
  4. Step 4: Simplify right side
    36,896.89x = 1,109,763,776.54
  5. Step 5: Solve for x
    x = 1,109,763,776.54/36,896.89
  6. Step 6: Final answer
    x = 30,077.43

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