Home / 37,613.43-51,906.21-20,618.61

Finding the Fourth Proportional to 37,613.43, 51,906.21 and 20,618.61

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Solution

The fourth proportional to 37,613.43, 51,906.21 and 20,618.61 is: 28,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,613.43 : 51,906.21 = 20,618.61 : x
  2. Step 2: Convert to fraction form
    37,613.43/51,906.21 = 20,618.61/x
  3. Step 3: Cross multiply
    37,613.43x = 51,906.21 × 20,618.61
  4. Step 4: Simplify right side
    37,613.43x = 1,070,233,900.57
  5. Step 5: Solve for x
    x = 1,070,233,900.57/37,613.43
  6. Step 6: Final answer
    x = 28,453.50

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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.