Home / 33,905.89-50,858.82-13,129.39

Finding the Fourth Proportional to 33,905.89, 50,858.82 and 13,129.39

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Solution

The fourth proportional to 33,905.89, 50,858.82 and 13,129.39 is: 19,694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,905.89 : 50,858.82 = 13,129.39 : x
  2. Step 2: Convert to fraction form
    33,905.89/50,858.82 = 13,129.39/x
  3. Step 3: Cross multiply
    33,905.89x = 50,858.82 × 13,129.39
  4. Step 4: Simplify right side
    33,905.89x = 667,745,282.72
  5. Step 5: Solve for x
    x = 667,745,282.72/33,905.89
  6. Step 6: Final answer
    x = 19,694.08

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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.