Home / 36,789.53-50,768.82-20,657.21

Finding the Fourth Proportional to 36,789.53, 50,768.82 and 20,657.21

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Solution

The fourth proportional to 36,789.53, 50,768.82 and 20,657.21 is: 28,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,789.53 : 50,768.82 = 20,657.21 : x
  2. Step 2: Convert to fraction form
    36,789.53/50,768.82 = 20,657.21/x
  3. Step 3: Cross multiply
    36,789.53x = 50,768.82 × 20,657.21
  4. Step 4: Simplify right side
    36,789.53x = 1,048,741,922.35
  5. Step 5: Solve for x
    x = 1,048,741,922.35/36,789.53
  6. Step 6: Final answer
    x = 28,506.54

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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.