Home / 38,608.68-57,912.41-12,313.25

Finding the Fourth Proportional to 38,608.68, 57,912.41 and 12,313.25

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Solution

The fourth proportional to 38,608.68, 57,912.41 and 12,313.25 is: 18,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,608.68 : 57,912.41 = 12,313.25 : x
  2. Step 2: Convert to fraction form
    38,608.68/57,912.41 = 12,313.25/x
  3. Step 3: Cross multiply
    38,608.68x = 57,912.41 × 12,313.25
  4. Step 4: Simplify right side
    38,608.68x = 713,089,723.65
  5. Step 5: Solve for x
    x = 713,089,723.65/38,608.68
  6. Step 6: Final answer
    x = 18,469.67

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Similar ratio
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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.