Home / 37,609.87-51,902.03-20,613.75

Finding the Fourth Proportional to 37,609.87, 51,902.03 and 20,613.75

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Solution

The fourth proportional to 37,609.87, 51,902.03 and 20,613.75 is: 28,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,609.87 : 51,902.03 = 20,613.75 : x
  2. Step 2: Convert to fraction form
    37,609.87/51,902.03 = 20,613.75/x
  3. Step 3: Cross multiply
    37,609.87x = 51,902.03 × 20,613.75
  4. Step 4: Simplify right side
    37,609.87x = 1,069,895,470.91
  5. Step 5: Solve for x
    x = 1,069,895,470.91/37,609.87
  6. Step 6: Final answer
    x = 28,447.20

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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.