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Finding the Fourth Proportional to 52,033.96, 78,065.52 and 20,891.08

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Solution

The fourth proportional to 52,033.96, 78,065.52 and 20,891.08 is: 31,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,033.96 : 78,065.52 = 20,891.08 : x
  2. Step 2: Convert to fraction form
    52,033.96/78,065.52 = 20,891.08/x
  3. Step 3: Cross multiply
    52,033.96x = 78,065.52 × 20,891.08
  4. Step 4: Simplify right side
    52,033.96x = 1,630,873,023.56
  5. Step 5: Solve for x
    x = 1,630,873,023.56/52,033.96
  6. Step 6: Final answer
    x = 31,342.47

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