Home / 33,904.89-50,857.32-13,128.39

Finding the Fourth Proportional to 33,904.89, 50,857.32 and 13,128.39

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Solution

The fourth proportional to 33,904.89, 50,857.32 and 13,128.39 is: 19,692.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,904.89 : 50,857.32 = 13,128.39 : x
  2. Step 2: Convert to fraction form
    33,904.89/50,857.32 = 13,128.39/x
  3. Step 3: Cross multiply
    33,904.89x = 50,857.32 × 13,128.39
  4. Step 4: Simplify right side
    33,904.89x = 667,674,731.31
  5. Step 5: Solve for x
    x = 667,674,731.31/33,904.89
  6. Step 6: Final answer
    x = 19,692.58

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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.