Home / 34,115.25-51,172.50-13,338.57

Finding the Fourth Proportional to 34,115.25, 51,172.50 and 13,338.57

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Solution

The fourth proportional to 34,115.25, 51,172.50 and 13,338.57 is: 20,007.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,115.25 : 51,172.50 = 13,338.57 : x
  2. Step 2: Convert to fraction form
    34,115.25/51,172.50 = 13,338.57/x
  3. Step 3: Cross multiply
    34,115.25x = 51,172.50 × 13,338.57
  4. Step 4: Simplify right side
    34,115.25x = 682,567,973.33
  5. Step 5: Solve for x
    x = 682,567,973.33/34,115.25
  6. Step 6: Final answer
    x = 20,007.71

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1.5x scale

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.