Home / 33,090.83-49,642.38-13,383.21

Finding the Fourth Proportional to 33,090.83, 49,642.38 and 13,383.21

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Solution

The fourth proportional to 33,090.83, 49,642.38 and 13,383.21 is: 20,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,090.83 : 49,642.38 = 13,383.21 : x
  2. Step 2: Convert to fraction form
    33,090.83/49,642.38 = 13,383.21/x
  3. Step 3: Cross multiply
    33,090.83x = 49,642.38 × 13,383.21
  4. Step 4: Simplify right side
    33,090.83x = 664,374,396.44
  5. Step 5: Solve for x
    x = 664,374,396.44/33,090.83
  6. Step 6: Final answer
    x = 20,077.30

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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.