Home / 36,806.22-50,790.78-20,890.44

Finding the Fourth Proportional to 36,806.22, 50,790.78 and 20,890.44

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Solution

The fourth proportional to 36,806.22, 50,790.78 and 20,890.44 is: 28,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,806.22 : 50,790.78 = 20,890.44 : x
  2. Step 2: Convert to fraction form
    36,806.22/50,790.78 = 20,890.44/x
  3. Step 3: Cross multiply
    36,806.22x = 50,790.78 × 20,890.44
  4. Step 4: Simplify right side
    36,806.22x = 1,061,041,742.14
  5. Step 5: Solve for x
    x = 1,061,041,742.14/36,806.22
  6. Step 6: Final answer
    x = 28,827.78

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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.