Home / 33,308.76-49,974.96-20,814.36

Finding the Fourth Proportional to 33,308.76, 49,974.96 and 20,814.36

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Solution

The fourth proportional to 33,308.76, 49,974.96 and 20,814.36 is: 31,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,308.76 : 49,974.96 = 20,814.36 : x
  2. Step 2: Convert to fraction form
    33,308.76/49,974.96 = 20,814.36/x
  3. Step 3: Cross multiply
    33,308.76x = 49,974.96 × 20,814.36
  4. Step 4: Simplify right side
    33,308.76x = 1,040,196,808.43
  5. Step 5: Solve for x
    x = 1,040,196,808.43/33,308.76
  6. Step 6: Final answer
    x = 31,228.93

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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.