Home / 41,920.60-62,859.30-15,611.80

Finding the Fourth Proportional to 41,920.60, 62,859.30 and 15,611.80

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Solution

The fourth proportional to 41,920.60, 62,859.30 and 15,611.80 is: 23,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,920.60 : 62,859.30 = 15,611.80 : x
  2. Step 2: Convert to fraction form
    41,920.60/62,859.30 = 15,611.80/x
  3. Step 3: Cross multiply
    41,920.60x = 62,859.30 × 15,611.80
  4. Step 4: Simplify right side
    41,920.60x = 981,346,819.74
  5. Step 5: Solve for x
    x = 981,346,819.74/41,920.60
  6. Step 6: Final answer
    x = 23,409.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.