Home / 50,536.14-75,771.78-20,974.38

Finding the Fourth Proportional to 50,536.14, 75,771.78 and 20,974.38

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Solution

The fourth proportional to 50,536.14, 75,771.78 and 20,974.38 is: 31,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,536.14 : 75,771.78 = 20,974.38 : x
  2. Step 2: Convert to fraction form
    50,536.14/75,771.78 = 20,974.38/x
  3. Step 3: Cross multiply
    50,536.14x = 75,771.78 × 20,974.38
  4. Step 4: Simplify right side
    50,536.14x = 1,589,266,107.00
  5. Step 5: Solve for x
    x = 1,589,266,107.00/50,536.14
  6. Step 6: Final answer
    x = 31,448.11

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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.