Home / 38,270.45-57,408.92-10,190.49

Finding the Fourth Proportional to 38,270.45, 57,408.92 and 10,190.49

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Solution

The fourth proportional to 38,270.45, 57,408.92 and 10,190.49 is: 15,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,270.45 : 57,408.92 = 10,190.49 : x
  2. Step 2: Convert to fraction form
    38,270.45/57,408.92 = 10,190.49/x
  3. Step 3: Cross multiply
    38,270.45x = 57,408.92 × 10,190.49
  4. Step 4: Simplify right side
    38,270.45x = 585,024,974.22
  5. Step 5: Solve for x
    x = 585,024,974.22/38,270.45
  6. Step 6: Final answer
    x = 15,286.60

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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.