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Finding the Fourth Proportional to 53,651.80, 80,445.70 and 32,890.20

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Solution

The fourth proportional to 53,651.80, 80,445.70 and 32,890.20 is: 49,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,651.80 : 80,445.70 = 32,890.20 : x
  2. Step 2: Convert to fraction form
    53,651.80/80,445.70 = 32,890.20/x
  3. Step 3: Cross multiply
    53,651.80x = 80,445.70 × 32,890.20
  4. Step 4: Simplify right side
    53,651.80x = 2,645,875,162.14
  5. Step 5: Solve for x
    x = 2,645,875,162.14/53,651.80
  6. Step 6: Final answer
    x = 49,315.68

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