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Finding the Fourth Proportional to 43,566.72, 65,343.90 and 13,980.73

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Solution

The fourth proportional to 43,566.72, 65,343.90 and 13,980.73 is: 20,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,566.72 : 65,343.90 = 13,980.73 : x
  2. Step 2: Convert to fraction form
    43,566.72/65,343.90 = 13,980.73/x
  3. Step 3: Cross multiply
    43,566.72x = 65,343.90 × 13,980.73
  4. Step 4: Simplify right side
    43,566.72x = 913,555,026.42
  5. Step 5: Solve for x
    x = 913,555,026.42/43,566.72
  6. Step 6: Final answer
    x = 20,969.11

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