Home / 31,115.33-46,658.40-11,380.08

Finding the Fourth Proportional to 31,115.33, 46,658.40 and 11,380.08

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Solution

The fourth proportional to 31,115.33, 46,658.40 and 11,380.08 is: 17,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,115.33 : 46,658.40 = 11,380.08 : x
  2. Step 2: Convert to fraction form
    31,115.33/46,658.40 = 11,380.08/x
  3. Step 3: Cross multiply
    31,115.33x = 46,658.40 × 11,380.08
  4. Step 4: Simplify right side
    31,115.33x = 530,976,324.67
  5. Step 5: Solve for x
    x = 530,976,324.67/31,115.33
  6. Step 6: Final answer
    x = 17,064.78

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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.