Home / 39,954.08-55,137.96-21,805.79

Finding the Fourth Proportional to 39,954.08, 55,137.96 and 21,805.79

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Solution

The fourth proportional to 39,954.08, 55,137.96 and 21,805.79 is: 30,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.08 : 55,137.96 = 21,805.79 : x
  2. Step 2: Convert to fraction form
    39,954.08/55,137.96 = 21,805.79/x
  3. Step 3: Cross multiply
    39,954.08x = 55,137.96 × 21,805.79
  4. Step 4: Simplify right side
    39,954.08x = 1,202,326,936.54
  5. Step 5: Solve for x
    x = 1,202,326,936.54/39,954.08
  6. Step 6: Final answer
    x = 30,092.72

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