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Finding the Fourth Proportional to 49,487.48, 74,230.16 and 12,047.75

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Solution

The fourth proportional to 49,487.48, 74,230.16 and 12,047.75 is: 18,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,487.48 : 74,230.16 = 12,047.75 : x
  2. Step 2: Convert to fraction form
    49,487.48/74,230.16 = 12,047.75/x
  3. Step 3: Cross multiply
    49,487.48x = 74,230.16 × 12,047.75
  4. Step 4: Simplify right side
    49,487.48x = 894,305,978.75
  5. Step 5: Solve for x
    x = 894,305,978.75/49,487.48
  6. Step 6: Final answer
    x = 18,071.36

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