Home / 36,790.67-50,769.63-20,874.78

Finding the Fourth Proportional to 36,790.67, 50,769.63 and 20,874.78

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Solution

The fourth proportional to 36,790.67, 50,769.63 and 20,874.78 is: 28,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,790.67 : 50,769.63 = 20,874.78 : x
  2. Step 2: Convert to fraction form
    36,790.67/50,769.63 = 20,874.78/x
  3. Step 3: Cross multiply
    36,790.67x = 50,769.63 × 20,874.78
  4. Step 4: Simplify right side
    36,790.67x = 1,059,804,752.56
  5. Step 5: Solve for x
    x = 1,059,804,752.56/36,790.67
  6. Step 6: Final answer
    x = 28,806.35

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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.