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Finding the Fourth Proportional to 53,883.16, 80,825.16 and 20,156.80

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Solution

The fourth proportional to 53,883.16, 80,825.16 and 20,156.80 is: 30,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,883.16 : 80,825.16 = 20,156.80 : x
  2. Step 2: Convert to fraction form
    53,883.16/80,825.16 = 20,156.80/x
  3. Step 3: Cross multiply
    53,883.16x = 80,825.16 × 20,156.80
  4. Step 4: Simplify right side
    53,883.16x = 1,629,176,585.09
  5. Step 5: Solve for x
    x = 1,629,176,585.09/53,883.16
  6. Step 6: Final answer
    x = 30,235.36

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