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Finding the Fourth Proportional to 39,168.99, 54,053.60 and 21,264.14

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Solution

The fourth proportional to 39,168.99, 54,053.60 and 21,264.14 is: 29,344.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.99 : 54,053.60 = 21,264.14 : x
  2. Step 2: Convert to fraction form
    39,168.99/54,053.60 = 21,264.14/x
  3. Step 3: Cross multiply
    39,168.99x = 54,053.60 × 21,264.14
  4. Step 4: Simplify right side
    39,168.99x = 1,149,403,346.72
  5. Step 5: Solve for x
    x = 1,149,403,346.72/39,168.99
  6. Step 6: Final answer
    x = 29,344.73

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