Home / 41,322.75-61,993.85-13,620.75

Finding the Fourth Proportional to 41,322.75, 61,993.85 and 13,620.75

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Solution

The fourth proportional to 41,322.75, 61,993.85 and 13,620.75 is: 20,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,322.75 : 61,993.85 = 13,620.75 : x
  2. Step 2: Convert to fraction form
    41,322.75/61,993.85 = 13,620.75/x
  3. Step 3: Cross multiply
    41,322.75x = 61,993.85 × 13,620.75
  4. Step 4: Simplify right side
    41,322.75x = 844,402,664.28
  5. Step 5: Solve for x
    x = 844,402,664.28/41,322.75
  6. Step 6: Final answer
    x = 20,434.33

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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.