Home / 36,015.15-49,700.91-20,099.70

Finding the Fourth Proportional to 36,015.15, 49,700.91 and 20,099.70

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Solution

The fourth proportional to 36,015.15, 49,700.91 and 20,099.70 is: 27,737.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.15 : 49,700.91 = 20,099.70 : x
  2. Step 2: Convert to fraction form
    36,015.15/49,700.91 = 20,099.70/x
  3. Step 3: Cross multiply
    36,015.15x = 49,700.91 × 20,099.70
  4. Step 4: Simplify right side
    36,015.15x = 998,973,380.73
  5. Step 5: Solve for x
    x = 998,973,380.73/36,015.15
  6. Step 6: Final answer
    x = 27,737.59

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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.