Home / 30,220.67-41,704.29-16,791.68

Finding the Fourth Proportional to 30,220.67, 41,704.29 and 16,791.68

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Solution

The fourth proportional to 30,220.67, 41,704.29 and 16,791.68 is: 23,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220.67 : 41,704.29 = 16,791.68 : x
  2. Step 2: Convert to fraction form
    30,220.67/41,704.29 = 16,791.68/x
  3. Step 3: Cross multiply
    30,220.67x = 41,704.29 × 16,791.68
  4. Step 4: Simplify right side
    30,220.67x = 700,285,092.31
  5. Step 5: Solve for x
    x = 700,285,092.31/30,220.67
  6. Step 6: Final answer
    x = 23,172.39

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1.5x scale

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.