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Finding the Fourth Proportional to 54,569.70, 75,310.56 and 30,694.95

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Solution

The fourth proportional to 54,569.70, 75,310.56 and 30,694.95 is: 42,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,569.70 : 75,310.56 = 30,694.95 : x
  2. Step 2: Convert to fraction form
    54,569.70/75,310.56 = 30,694.95/x
  3. Step 3: Cross multiply
    54,569.70x = 75,310.56 × 30,694.95
  4. Step 4: Simplify right side
    54,569.70x = 2,311,653,873.67
  5. Step 5: Solve for x
    x = 2,311,653,873.67/54,569.70
  6. Step 6: Final answer
    x = 42,361.49

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