Home / 36,344.78-54,517.17-12,965.75

Finding the Fourth Proportional to 36,344.78, 54,517.17 and 12,965.75

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Solution

The fourth proportional to 36,344.78, 54,517.17 and 12,965.75 is: 19,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,344.78 : 54,517.17 = 12,965.75 : x
  2. Step 2: Convert to fraction form
    36,344.78/54,517.17 = 12,965.75/x
  3. Step 3: Cross multiply
    36,344.78x = 54,517.17 × 12,965.75
  4. Step 4: Simplify right side
    36,344.78x = 706,855,996.93
  5. Step 5: Solve for x
    x = 706,855,996.93/36,344.78
  6. Step 6: Final answer
    x = 19,448.63

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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.