Home / 40,952.12-61,391.62-15,986.38

Finding the Fourth Proportional to 40,952.12, 61,391.62 and 15,986.38

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Solution

The fourth proportional to 40,952.12, 61,391.62 and 15,986.38 is: 23,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,952.12 : 61,391.62 = 15,986.38 : x
  2. Step 2: Convert to fraction form
    40,952.12/61,391.62 = 15,986.38/x
  3. Step 3: Cross multiply
    40,952.12x = 61,391.62 × 15,986.38
  4. Step 4: Simplify right side
    40,952.12x = 981,429,766.14
  5. Step 5: Solve for x
    x = 981,429,766.14/40,952.12
  6. Step 6: Final answer
    x = 23,965.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.