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Finding the Fourth Proportional to 55,831.94, 83,729.90 and 18,383.09

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Solution

The fourth proportional to 55,831.94, 83,729.90 and 18,383.09 is: 27,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.94 : 83,729.90 = 18,383.09 : x
  2. Step 2: Convert to fraction form
    55,831.94/83,729.90 = 18,383.09/x
  3. Step 3: Cross multiply
    55,831.94x = 83,729.90 × 18,383.09
  4. Step 4: Simplify right side
    55,831.94x = 1,539,213,914.70
  5. Step 5: Solve for x
    x = 1,539,213,914.70/55,831.94
  6. Step 6: Final answer
    x = 27,568.70

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