Home / 36,113.03-49,840.68-20,200.78

Finding the Fourth Proportional to 36,113.03, 49,840.68 and 20,200.78

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Solution

The fourth proportional to 36,113.03, 49,840.68 and 20,200.78 is: 27,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,113.03 : 49,840.68 = 20,200.78 : x
  2. Step 2: Convert to fraction form
    36,113.03/49,840.68 = 20,200.78/x
  3. Step 3: Cross multiply
    36,113.03x = 49,840.68 × 20,200.78
  4. Step 4: Simplify right side
    36,113.03x = 1,006,820,611.73
  5. Step 5: Solve for x
    x = 1,006,820,611.73/36,113.03
  6. Step 6: Final answer
    x = 27,879.70

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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.