Home / 38,305.05-57,408.90-17,222.57

Finding the Fourth Proportional to 38,305.05, 57,408.90 and 17,222.57

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Solution

The fourth proportional to 38,305.05, 57,408.90 and 17,222.57 is: 25,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,305.05 : 57,408.90 = 17,222.57 : x
  2. Step 2: Convert to fraction form
    38,305.05/57,408.90 = 17,222.57/x
  3. Step 3: Cross multiply
    38,305.05x = 57,408.90 × 17,222.57
  4. Step 4: Simplify right side
    38,305.05x = 988,728,798.87
  5. Step 5: Solve for x
    x = 988,728,798.87/38,305.05
  6. Step 6: Final answer
    x = 25,811.97

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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.