Home / 41,806.20-62,811.70-31,438.20

Finding the Fourth Proportional to 41,806.20, 62,811.70 and 31,438.20

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Solution

The fourth proportional to 41,806.20, 62,811.70 and 31,438.20 is: 47,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,806.20 : 62,811.70 = 31,438.20 : x
  2. Step 2: Convert to fraction form
    41,806.20/62,811.70 = 31,438.20/x
  3. Step 3: Cross multiply
    41,806.20x = 62,811.70 × 31,438.20
  4. Step 4: Simplify right side
    41,806.20x = 1,974,686,786.94
  5. Step 5: Solve for x
    x = 1,974,686,786.94/41,806.20
  6. Step 6: Final answer
    x = 47,234.30

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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.