Home / 67,028.33-100,389.39-31,992.59

Finding the Fourth Proportional to 67,028.33, 100,389.39 and 31,992.59

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Solution

The fourth proportional to 67,028.33, 100,389.39 and 31,992.59 is: 47,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,028.33 : 100,389.39 = 31,992.59 : x
  2. Step 2: Convert to fraction form
    67,028.33/100,389.39 = 31,992.59/x
  3. Step 3: Cross multiply
    67,028.33x = 100,389.39 × 31,992.59
  4. Step 4: Simplify right side
    67,028.33x = 3,211,716,594.62
  5. Step 5: Solve for x
    x = 3,211,716,594.62/67,028.33
  6. Step 6: Final answer
    x = 47,915.81

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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.