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Finding the Fourth Proportional to 49,404.80, 74,107.20 and 21,702.80

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Solution

The fourth proportional to 49,404.80, 74,107.20 and 21,702.80 is: 32,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,404.80 : 74,107.20 = 21,702.80 : x
  2. Step 2: Convert to fraction form
    49,404.80/74,107.20 = 21,702.80/x
  3. Step 3: Cross multiply
    49,404.80x = 74,107.20 × 21,702.80
  4. Step 4: Simplify right side
    49,404.80x = 1,608,333,740.16
  5. Step 5: Solve for x
    x = 1,608,333,740.16/49,404.80
  6. Step 6: Final answer
    x = 32,554.20

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