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Finding the Fourth Proportional to 43,632.48, 65,447.31 and 12,467.70

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Solution

The fourth proportional to 43,632.48, 65,447.31 and 12,467.70 is: 18,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,632.48 : 65,447.31 = 12,467.70 : x
  2. Step 2: Convert to fraction form
    43,632.48/65,447.31 = 12,467.70/x
  3. Step 3: Cross multiply
    43,632.48x = 65,447.31 × 12,467.70
  4. Step 4: Simplify right side
    43,632.48x = 815,977,426.89
  5. Step 5: Solve for x
    x = 815,977,426.89/43,632.48
  6. Step 6: Final answer
    x = 18,701.15

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