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Finding the Fourth Proportional to 49.94, 74.94 and 25.91

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Solution

The fourth proportional to 49.94, 74.94 and 25.91 is: 38.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.94 : 74.94 = 25.91 : x
  2. Step 2: Convert to fraction form
    49.94/74.94 = 25.91/x
  3. Step 3: Cross multiply
    49.94x = 74.94 × 25.91
  4. Step 4: Simplify right side
    49.94x = 1,941.70
  5. Step 5: Solve for x
    x = 1,941.70/49.94
  6. Step 6: Final answer
    x = 38.88

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