Home / 43,942.98-65,904.60-20,227.80

Finding the Fourth Proportional to 43,942.98, 65,904.60 and 20,227.80

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Solution

The fourth proportional to 43,942.98, 65,904.60 and 20,227.80 is: 30,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,942.98 : 65,904.60 = 20,227.80 : x
  2. Step 2: Convert to fraction form
    43,942.98/65,904.60 = 20,227.80/x
  3. Step 3: Cross multiply
    43,942.98x = 65,904.60 × 20,227.80
  4. Step 4: Simplify right side
    43,942.98x = 1,333,105,067.88
  5. Step 5: Solve for x
    x = 1,333,105,067.88/43,942.98
  6. Step 6: Final answer
    x = 30,337.16

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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.