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Finding the Fourth Proportional to 30,604.50, 42,235.00 and 17,176.79

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Solution

The fourth proportional to 30,604.50, 42,235.00 and 17,176.79 is: 23,704.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.50 : 42,235.00 = 17,176.79 : x
  2. Step 2: Convert to fraction form
    30,604.50/42,235.00 = 17,176.79/x
  3. Step 3: Cross multiply
    30,604.50x = 42,235.00 × 17,176.79
  4. Step 4: Simplify right side
    30,604.50x = 725,461,788.30
  5. Step 5: Solve for x
    x = 725,461,788.30/30,604.50
  6. Step 6: Final answer
    x = 23,704.42

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