Home / 33,135.67-49,713.30-19,105.75

Finding the Fourth Proportional to 33,135.67, 49,713.30 and 19,105.75

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Solution

The fourth proportional to 33,135.67, 49,713.30 and 19,105.75 is: 28,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,135.67 : 49,713.30 = 19,105.75 : x
  2. Step 2: Convert to fraction form
    33,135.67/49,713.30 = 19,105.75/x
  3. Step 3: Cross multiply
    33,135.67x = 49,713.30 × 19,105.75
  4. Step 4: Simplify right side
    33,135.67x = 949,809,881.48
  5. Step 5: Solve for x
    x = 949,809,881.48/33,135.67
  6. Step 6: Final answer
    x = 28,664.27

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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.