Home / 36,819.12-50,814.96-20,908.68

Finding the Fourth Proportional to 36,819.12, 50,814.96 and 20,908.68

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Solution

The fourth proportional to 36,819.12, 50,814.96 and 20,908.68 is: 28,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,819.12 : 50,814.96 = 20,908.68 : x
  2. Step 2: Convert to fraction form
    36,819.12/50,814.96 = 20,908.68/x
  3. Step 3: Cross multiply
    36,819.12x = 50,814.96 × 20,908.68
  4. Step 4: Simplify right side
    36,819.12x = 1,062,473,737.85
  5. Step 5: Solve for x
    x = 1,062,473,737.85/36,819.12
  6. Step 6: Final answer
    x = 28,856.58

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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.