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Finding the Fourth Proportional to 49,156.75, 73,735.40 and 12,220.75

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Solution

The fourth proportional to 49,156.75, 73,735.40 and 12,220.75 is: 18,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,156.75 : 73,735.40 = 12,220.75 : x
  2. Step 2: Convert to fraction form
    49,156.75/73,735.40 = 12,220.75/x
  3. Step 3: Cross multiply
    49,156.75x = 73,735.40 × 12,220.75
  4. Step 4: Simplify right side
    49,156.75x = 901,101,889.55
  5. Step 5: Solve for x
    x = 901,101,889.55/49,156.75
  6. Step 6: Final answer
    x = 18,331.19

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