Home / 36,825.60-50,819.68-20,910.40

Finding the Fourth Proportional to 36,825.60, 50,819.68 and 20,910.40

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Solution

The fourth proportional to 36,825.60, 50,819.68 and 20,910.40 is: 28,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,825.60 : 50,819.68 = 20,910.40 : x
  2. Step 2: Convert to fraction form
    36,825.60/50,819.68 = 20,910.40/x
  3. Step 3: Cross multiply
    36,825.60x = 50,819.68 × 20,910.40
  4. Step 4: Simplify right side
    36,825.60x = 1,062,659,836.67
  5. Step 5: Solve for x
    x = 1,062,659,836.67/36,825.60
  6. Step 6: Final answer
    x = 28,856.55

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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.