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Finding the Fourth Proportional to 53,450.58, 80,172.96 and 20,169.84

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Solution

The fourth proportional to 53,450.58, 80,172.96 and 20,169.84 is: 30,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,450.58 : 80,172.96 = 20,169.84 : x
  2. Step 2: Convert to fraction form
    53,450.58/80,172.96 = 20,169.84/x
  3. Step 3: Cross multiply
    53,450.58x = 80,172.96 × 20,169.84
  4. Step 4: Simplify right side
    53,450.58x = 1,617,075,775.53
  5. Step 5: Solve for x
    x = 1,617,075,775.53/53,450.58
  6. Step 6: Final answer
    x = 30,253.66

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