Home / 36,400.06-50,105.73-31,380.90

Finding the Fourth Proportional to 36,400.06, 50,105.73 and 31,380.90

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Solution

The fourth proportional to 36,400.06, 50,105.73 and 31,380.90 is: 43,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,400.06 : 50,105.73 = 31,380.90 : x
  2. Step 2: Convert to fraction form
    36,400.06/50,105.73 = 31,380.90/x
  3. Step 3: Cross multiply
    36,400.06x = 50,105.73 × 31,380.90
  4. Step 4: Simplify right side
    36,400.06x = 1,572,362,902.56
  5. Step 5: Solve for x
    x = 1,572,362,902.56/36,400.06
  6. Step 6: Final answer
    x = 43,196.71

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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.