Home / 36,120.44-49,845.30-20,205.56

Finding the Fourth Proportional to 36,120.44, 49,845.30 and 20,205.56

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Solution

The fourth proportional to 36,120.44, 49,845.30 and 20,205.56 is: 27,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,120.44 : 49,845.30 = 20,205.56 : x
  2. Step 2: Convert to fraction form
    36,120.44/49,845.30 = 20,205.56/x
  3. Step 3: Cross multiply
    36,120.44x = 49,845.30 × 20,205.56
  4. Step 4: Simplify right side
    36,120.44x = 1,007,152,199.87
  5. Step 5: Solve for x
    x = 1,007,152,199.87/36,120.44
  6. Step 6: Final answer
    x = 27,883.17

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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.