Home / 36,299.39-50,087.74-20,380.76

Finding the Fourth Proportional to 36,299.39, 50,087.74 and 20,380.76

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Solution

The fourth proportional to 36,299.39, 50,087.74 and 20,380.76 is: 28,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,299.39 : 50,087.74 = 20,380.76 : x
  2. Step 2: Convert to fraction form
    36,299.39/50,087.74 = 20,380.76/x
  3. Step 3: Cross multiply
    36,299.39x = 50,087.74 × 20,380.76
  4. Step 4: Simplify right side
    36,299.39x = 1,020,826,207.88
  5. Step 5: Solve for x
    x = 1,020,826,207.88/36,299.39
  6. Step 6: Final answer
    x = 28,122.41

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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.