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Finding the Fourth Proportional to 51,658.83, 71,290.23 and 28,999.49

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Solution

The fourth proportional to 51,658.83, 71,290.23 and 28,999.49 is: 40,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,658.83 : 71,290.23 = 28,999.49 : x
  2. Step 2: Convert to fraction form
    51,658.83/71,290.23 = 28,999.49/x
  3. Step 3: Cross multiply
    51,658.83x = 71,290.23 × 28,999.49
  4. Step 4: Simplify right side
    51,658.83x = 2,067,379,846.78
  5. Step 5: Solve for x
    x = 2,067,379,846.78/51,658.83
  6. Step 6: Final answer
    x = 40,019.87

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