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Finding the Fourth Proportional to 48.06, 71.96 and 39.02

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Solution

The fourth proportional to 48.06, 71.96 and 39.02 is: 58.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.06 : 71.96 = 39.02 : x
  2. Step 2: Convert to fraction form
    48.06/71.96 = 39.02/x
  3. Step 3: Cross multiply
    48.06x = 71.96 × 39.02
  4. Step 4: Simplify right side
    48.06x = 2,807.32
  5. Step 5: Solve for x
    x = 2,807.32/48.06
  6. Step 6: Final answer
    x = 58.41

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