Home / 36,806.83-50,789.38-20,670.87

Finding the Fourth Proportional to 36,806.83, 50,789.38 and 20,670.87

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Solution

The fourth proportional to 36,806.83, 50,789.38 and 20,670.87 is: 28,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,806.83 : 50,789.38 = 20,670.87 : x
  2. Step 2: Convert to fraction form
    36,806.83/50,789.38 = 20,670.87/x
  3. Step 3: Cross multiply
    36,806.83x = 50,789.38 × 20,670.87
  4. Step 4: Simplify right side
    36,806.83x = 1,049,860,671.36
  5. Step 5: Solve for x
    x = 1,049,860,671.36/36,806.83
  6. Step 6: Final answer
    x = 28,523.53

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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.