Home / 36,408.36-54,625.68-12,719.43

Finding the Fourth Proportional to 36,408.36, 54,625.68 and 12,719.43

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Solution

The fourth proportional to 36,408.36, 54,625.68 and 12,719.43 is: 19,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408.36 : 54,625.68 = 12,719.43 : x
  2. Step 2: Convert to fraction form
    36,408.36/54,625.68 = 12,719.43/x
  3. Step 3: Cross multiply
    36,408.36x = 54,625.68 × 12,719.43
  4. Step 4: Simplify right side
    36,408.36x = 694,807,512.96
  5. Step 5: Solve for x
    x = 694,807,512.96/36,408.36
  6. Step 6: Final answer
    x = 19,083.74

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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.