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Finding the Fourth Proportional to 49,321.71, 74,011.73 and 18,178.83

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Solution

The fourth proportional to 49,321.71, 74,011.73 and 18,178.83 is: 27,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,321.71 : 74,011.73 = 18,178.83 : x
  2. Step 2: Convert to fraction form
    49,321.71/74,011.73 = 18,178.83/x
  3. Step 3: Cross multiply
    49,321.71x = 74,011.73 × 18,178.83
  4. Step 4: Simplify right side
    49,321.71x = 1,345,446,566.78
  5. Step 5: Solve for x
    x = 1,345,446,566.78/49,321.71
  6. Step 6: Final answer
    x = 27,278.99

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