Home / 31,463.28-47,183.68-10,399.43

Finding the Fourth Proportional to 31,463.28, 47,183.68 and 10,399.43

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Solution

The fourth proportional to 31,463.28, 47,183.68 and 10,399.43 is: 15,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,463.28 : 47,183.68 = 10,399.43 : x
  2. Step 2: Convert to fraction form
    31,463.28/47,183.68 = 10,399.43/x
  3. Step 3: Cross multiply
    31,463.28x = 47,183.68 × 10,399.43
  4. Step 4: Simplify right side
    31,463.28x = 490,683,469.26
  5. Step 5: Solve for x
    x = 490,683,469.26/31,463.28
  6. Step 6: Final answer
    x = 15,595.43

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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.