Home / 33,221.35-49,852.38-13,240.43

Finding the Fourth Proportional to 33,221.35, 49,852.38 and 13,240.43

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Solution

The fourth proportional to 33,221.35, 49,852.38 and 13,240.43 is: 19,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221.35 : 49,852.38 = 13,240.43 : x
  2. Step 2: Convert to fraction form
    33,221.35/49,852.38 = 13,240.43/x
  3. Step 3: Cross multiply
    33,221.35x = 49,852.38 × 13,240.43
  4. Step 4: Simplify right side
    33,221.35x = 660,066,893.45
  5. Step 5: Solve for x
    x = 660,066,893.45/33,221.35
  6. Step 6: Final answer
    x = 19,868.75

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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.