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Finding the Fourth Proportional to 48,992.78, 73,481.30 and 13,445.80

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Solution

The fourth proportional to 48,992.78, 73,481.30 and 13,445.80 is: 20,166.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,992.78 : 73,481.30 = 13,445.80 : x
  2. Step 2: Convert to fraction form
    48,992.78/73,481.30 = 13,445.80/x
  3. Step 3: Cross multiply
    48,992.78x = 73,481.30 × 13,445.80
  4. Step 4: Simplify right side
    48,992.78x = 988,014,428.90
  5. Step 5: Solve for x
    x = 988,014,428.90/48,992.78
  6. Step 6: Final answer
    x = 20,166.53

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