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Finding the Fourth Proportional to 42,744.27, 64,134.86 and 23,018.90

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Solution

The fourth proportional to 42,744.27, 64,134.86 and 23,018.90 is: 34,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,744.27 : 64,134.86 = 23,018.90 : x
  2. Step 2: Convert to fraction form
    42,744.27/64,134.86 = 23,018.90/x
  3. Step 3: Cross multiply
    42,744.27x = 64,134.86 × 23,018.90
  4. Step 4: Simplify right side
    42,744.27x = 1,476,313,493.09
  5. Step 5: Solve for x
    x = 1,476,313,493.09/42,744.27
  6. Step 6: Final answer
    x = 34,538.28

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