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Finding the Fourth Proportional to 48.78, 73.04 and 35.96

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Solution

The fourth proportional to 48.78, 73.04 and 35.96 is: 53.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.78 : 73.04 = 35.96 : x
  2. Step 2: Convert to fraction form
    48.78/73.04 = 35.96/x
  3. Step 3: Cross multiply
    48.78x = 73.04 × 35.96
  4. Step 4: Simplify right side
    48.78x = 2,625.97
  5. Step 5: Solve for x
    x = 2,625.97/48.78
  6. Step 6: Final answer
    x = 53.83

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