Home / 33,781.29-50,679.18-10,090.70

Finding the Fourth Proportional to 33,781.29, 50,679.18 and 10,090.70

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Solution

The fourth proportional to 33,781.29, 50,679.18 and 10,090.70 is: 15,138.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,781.29 : 50,679.18 = 10,090.70 : x
  2. Step 2: Convert to fraction form
    33,781.29/50,679.18 = 10,090.70/x
  3. Step 3: Cross multiply
    33,781.29x = 50,679.18 × 10,090.70
  4. Step 4: Simplify right side
    33,781.29x = 511,388,401.63
  5. Step 5: Solve for x
    x = 511,388,401.63/33,781.29
  6. Step 6: Final answer
    x = 15,138.21

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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.