Home / 36,019.18-49,704.87-20,910.66

Finding the Fourth Proportional to 36,019.18, 49,704.87 and 20,910.66

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Solution

The fourth proportional to 36,019.18, 49,704.87 and 20,910.66 is: 28,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.18 : 49,704.87 = 20,910.66 : x
  2. Step 2: Convert to fraction form
    36,019.18/49,704.87 = 20,910.66/x
  3. Step 3: Cross multiply
    36,019.18x = 49,704.87 × 20,910.66
  4. Step 4: Simplify right side
    36,019.18x = 1,039,361,636.91
  5. Step 5: Solve for x
    x = 1,039,361,636.91/36,019.18
  6. Step 6: Final answer
    x = 28,855.78

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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.