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Finding the Fourth Proportional to 43,970.22, 65,959.23 and 12,380.56

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Solution

The fourth proportional to 43,970.22, 65,959.23 and 12,380.56 is: 18,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,970.22 : 65,959.23 = 12,380.56 : x
  2. Step 2: Convert to fraction form
    43,970.22/65,959.23 = 12,380.56/x
  3. Step 3: Cross multiply
    43,970.22x = 65,959.23 × 12,380.56
  4. Step 4: Simplify right side
    43,970.22x = 816,612,204.57
  5. Step 5: Solve for x
    x = 816,612,204.57/43,970.22
  6. Step 6: Final answer
    x = 18,571.94

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