Home / 39,270.26-58,915.71-11,190.39

Finding the Fourth Proportional to 39,270.26, 58,915.71 and 11,190.39

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Solution

The fourth proportional to 39,270.26, 58,915.71 and 11,190.39 is: 16,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,270.26 : 58,915.71 = 11,190.39 : x
  2. Step 2: Convert to fraction form
    39,270.26/58,915.71 = 11,190.39/x
  3. Step 3: Cross multiply
    39,270.26x = 58,915.71 × 11,190.39
  4. Step 4: Simplify right side
    39,270.26x = 659,289,772.03
  5. Step 5: Solve for x
    x = 659,289,772.03/39,270.26
  6. Step 6: Final answer
    x = 16,788.53

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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.