Home / 33,936.79-50,920.31-13,161.91

Finding the Fourth Proportional to 33,936.79, 50,920.31 and 13,161.91

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Solution

The fourth proportional to 33,936.79, 50,920.31 and 13,161.91 is: 19,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,936.79 : 50,920.31 = 13,161.91 : x
  2. Step 2: Convert to fraction form
    33,936.79/50,920.31 = 13,161.91/x
  3. Step 3: Cross multiply
    33,936.79x = 50,920.31 × 13,161.91
  4. Step 4: Simplify right side
    33,936.79x = 670,208,537.39
  5. Step 5: Solve for x
    x = 670,208,537.39/33,936.79
  6. Step 6: Final answer
    x = 19,748.73

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1.5x scale

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.