Home / 36,919.78-55,408.82-13,552.90

Finding the Fourth Proportional to 36,919.78, 55,408.82 and 13,552.90

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Solution

The fourth proportional to 36,919.78, 55,408.82 and 13,552.90 is: 20,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,919.78 : 55,408.82 = 13,552.90 : x
  2. Step 2: Convert to fraction form
    36,919.78/55,408.82 = 13,552.90/x
  3. Step 3: Cross multiply
    36,919.78x = 55,408.82 × 13,552.90
  4. Step 4: Simplify right side
    36,919.78x = 750,950,196.58
  5. Step 5: Solve for x
    x = 750,950,196.58/36,919.78
  6. Step 6: Final answer
    x = 20,340.05

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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.