Home / 37,613.42-51,906.20-20,618.62

Finding the Fourth Proportional to 37,613.42, 51,906.20 and 20,618.62

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Solution

The fourth proportional to 37,613.42, 51,906.20 and 20,618.62 is: 28,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,613.42 : 51,906.20 = 20,618.62 : x
  2. Step 2: Convert to fraction form
    37,613.42/51,906.20 = 20,618.62/x
  3. Step 3: Cross multiply
    37,613.42x = 51,906.20 × 20,618.62
  4. Step 4: Simplify right side
    37,613.42x = 1,070,234,213.44
  5. Step 5: Solve for x
    x = 1,070,234,213.44/37,613.42
  6. Step 6: Final answer
    x = 28,453.52

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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.