Home / 33,138.33-49,688.68-22,621.09

Finding the Fourth Proportional to 33,138.33, 49,688.68 and 22,621.09

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Solution

The fourth proportional to 33,138.33, 49,688.68 and 22,621.09 is: 33,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.33 : 49,688.68 = 22,621.09 : x
  2. Step 2: Convert to fraction form
    33,138.33/49,688.68 = 22,621.09/x
  3. Step 3: Cross multiply
    33,138.33x = 49,688.68 × 22,621.09
  4. Step 4: Simplify right side
    33,138.33x = 1,124,012,102.26
  5. Step 5: Solve for x
    x = 1,124,012,102.26/33,138.33
  6. Step 6: Final answer
    x = 33,918.79

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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.