Home / 36,942.89-55,436.81-13,571.15

Finding the Fourth Proportional to 36,942.89, 55,436.81 and 13,571.15

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Solution

The fourth proportional to 36,942.89, 55,436.81 and 13,571.15 is: 20,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,942.89 : 55,436.81 = 13,571.15 : x
  2. Step 2: Convert to fraction form
    36,942.89/55,436.81 = 13,571.15/x
  3. Step 3: Cross multiply
    36,942.89x = 55,436.81 × 13,571.15
  4. Step 4: Simplify right side
    36,942.89x = 752,340,918.99
  5. Step 5: Solve for x
    x = 752,340,918.99/36,942.89
  6. Step 6: Final answer
    x = 20,364.97

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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.