Home / 40,711.80-61,067.70-30,732.60

Finding the Fourth Proportional to 40,711.80, 61,067.70 and 30,732.60

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Solution

The fourth proportional to 40,711.80, 61,067.70 and 30,732.60 is: 46,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,711.80 : 61,067.70 = 30,732.60 : x
  2. Step 2: Convert to fraction form
    40,711.80/61,067.70 = 30,732.60/x
  3. Step 3: Cross multiply
    40,711.80x = 61,067.70 × 30,732.60
  4. Step 4: Simplify right side
    40,711.80x = 1,876,769,197.02
  5. Step 5: Solve for x
    x = 1,876,769,197.02/40,711.80
  6. Step 6: Final answer
    x = 46,098.90

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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.