Home / 31,115.22-46,687.84-15,311.68

Finding the Fourth Proportional to 31,115.22, 46,687.84 and 15,311.68

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Solution

The fourth proportional to 31,115.22, 46,687.84 and 15,311.68 is: 22,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,115.22 : 46,687.84 = 15,311.68 : x
  2. Step 2: Convert to fraction form
    31,115.22/46,687.84 = 15,311.68/x
  3. Step 3: Cross multiply
    31,115.22x = 46,687.84 × 15,311.68
  4. Step 4: Simplify right side
    31,115.22x = 714,869,265.97
  5. Step 5: Solve for x
    x = 714,869,265.97/31,115.22
  6. Step 6: Final answer
    x = 22,974.91

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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.