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Finding the Fourth Proportional to 49,376.40, 74,048.40 and 18,207.60

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Solution

The fourth proportional to 49,376.40, 74,048.40 and 18,207.60 is: 27,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,376.40 : 74,048.40 = 18,207.60 : x
  2. Step 2: Convert to fraction form
    49,376.40/74,048.40 = 18,207.60/x
  3. Step 3: Cross multiply
    49,376.40x = 74,048.40 × 18,207.60
  4. Step 4: Simplify right side
    49,376.40x = 1,348,243,647.84
  5. Step 5: Solve for x
    x = 1,348,243,647.84/49,376.40
  6. Step 6: Final answer
    x = 27,305.43

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