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Finding the Fourth Proportional to 43,439.52, 65,170.52 and 12,274.77

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Solution

The fourth proportional to 43,439.52, 65,170.52 and 12,274.77 is: 18,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,439.52 : 65,170.52 = 12,274.77 : x
  2. Step 2: Convert to fraction form
    43,439.52/65,170.52 = 12,274.77/x
  3. Step 3: Cross multiply
    43,439.52x = 65,170.52 × 12,274.77
  4. Step 4: Simplify right side
    43,439.52x = 799,953,143.78
  5. Step 5: Solve for x
    x = 799,953,143.78/43,439.52
  6. Step 6: Final answer
    x = 18,415.33

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