Home / 36,379.43-54,571.44-11,420.46

Finding the Fourth Proportional to 36,379.43, 54,571.44 and 11,420.46

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Solution

The fourth proportional to 36,379.43, 54,571.44 and 11,420.46 is: 17,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,379.43 : 54,571.44 = 11,420.46 : x
  2. Step 2: Convert to fraction form
    36,379.43/54,571.44 = 11,420.46/x
  3. Step 3: Cross multiply
    36,379.43x = 54,571.44 × 11,420.46
  4. Step 4: Simplify right side
    36,379.43x = 623,230,947.66
  5. Step 5: Solve for x
    x = 623,230,947.66/36,379.43
  6. Step 6: Final answer
    x = 17,131.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.