Home / 62,844.75-86,738.97-39,859.69

Finding the Fourth Proportional to 62,844.75, 86,738.97 and 39,859.69

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Solution

The fourth proportional to 62,844.75, 86,738.97 and 39,859.69 is: 55,014.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,844.75 : 86,738.97 = 39,859.69 : x
  2. Step 2: Convert to fraction form
    62,844.75/86,738.97 = 39,859.69/x
  3. Step 3: Cross multiply
    62,844.75x = 86,738.97 × 39,859.69
  4. Step 4: Simplify right side
    62,844.75x = 3,457,388,455.12
  5. Step 5: Solve for x
    x = 3,457,388,455.12/62,844.75
  6. Step 6: Final answer
    x = 55,014.75

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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.