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Finding the Fourth Proportional to 67,304.48, 100,971.44 and 20,556.16

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Solution

The fourth proportional to 67,304.48, 100,971.44 and 20,556.16 is: 30,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,304.48 : 100,971.44 = 20,556.16 : x
  2. Step 2: Convert to fraction form
    67,304.48/100,971.44 = 20,556.16/x
  3. Step 3: Cross multiply
    67,304.48x = 100,971.44 × 20,556.16
  4. Step 4: Simplify right side
    67,304.48x = 2,075,585,076.07
  5. Step 5: Solve for x
    x = 2,075,585,076.07/67,304.48
  6. Step 6: Final answer
    x = 30,838.74

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