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Finding the Fourth Proportional to 73,612.22, 110,416.08 and 21,021.80

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Solution

The fourth proportional to 73,612.22, 110,416.08 and 21,021.80 is: 31,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,612.22 : 110,416.08 = 21,021.80 : x
  2. Step 2: Convert to fraction form
    73,612.22/110,416.08 = 21,021.80/x
  3. Step 3: Cross multiply
    73,612.22x = 110,416.08 × 21,021.80
  4. Step 4: Simplify right side
    73,612.22x = 2,321,144,750.54
  5. Step 5: Solve for x
    x = 2,321,144,750.54/73,612.22
  6. Step 6: Final answer
    x = 31,532.06

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