Home / 36,021.24-49,709.22-20,105.52

Finding the Fourth Proportional to 36,021.24, 49,709.22 and 20,105.52

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Solution

The fourth proportional to 36,021.24, 49,709.22 and 20,105.52 is: 27,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,021.24 : 49,709.22 = 20,105.52 : x
  2. Step 2: Convert to fraction form
    36,021.24/49,709.22 = 20,105.52/x
  3. Step 3: Cross multiply
    36,021.24x = 49,709.22 × 20,105.52
  4. Step 4: Simplify right side
    36,021.24x = 999,429,716.89
  5. Step 5: Solve for x
    x = 999,429,716.89/36,021.24
  6. Step 6: Final answer
    x = 27,745.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.