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Finding the Fourth Proportional to 32,640.80, 48,964.80 and 10,450.40

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Solution

The fourth proportional to 32,640.80, 48,964.80 and 10,450.40 is: 15,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,640.80 : 48,964.80 = 10,450.40 : x
  2. Step 2: Convert to fraction form
    32,640.80/48,964.80 = 10,450.40/x
  3. Step 3: Cross multiply
    32,640.80x = 48,964.80 × 10,450.40
  4. Step 4: Simplify right side
    32,640.80x = 511,701,745.92
  5. Step 5: Solve for x
    x = 511,701,745.92/32,640.80
  6. Step 6: Final answer
    x = 15,676.75

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