Home / 38,189.62-57,270.75-13,222.96

Finding the Fourth Proportional to 38,189.62, 57,270.75 and 13,222.96

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Solution

The fourth proportional to 38,189.62, 57,270.75 and 13,222.96 is: 19,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.62 : 57,270.75 = 13,222.96 : x
  2. Step 2: Convert to fraction form
    38,189.62/57,270.75 = 13,222.96/x
  3. Step 3: Cross multiply
    38,189.62x = 57,270.75 × 13,222.96
  4. Step 4: Simplify right side
    38,189.62x = 757,289,012.65
  5. Step 5: Solve for x
    x = 757,289,012.65/38,189.62
  6. Step 6: Final answer
    x = 19,829.71

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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.