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Finding the Fourth Proportional to 55,013.22, 82,445.31 and 39,396.42

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Solution

The fourth proportional to 55,013.22, 82,445.31 and 39,396.42 is: 59,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,013.22 : 82,445.31 = 39,396.42 : x
  2. Step 2: Convert to fraction form
    55,013.22/82,445.31 = 39,396.42/x
  3. Step 3: Cross multiply
    55,013.22x = 82,445.31 × 39,396.42
  4. Step 4: Simplify right side
    55,013.22x = 3,248,050,059.79
  5. Step 5: Solve for x
    x = 3,248,050,059.79/55,013.22
  6. Step 6: Final answer
    x = 59,041.26

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