Home / 31,249.99-43,125.11-17,103.61

Finding the Fourth Proportional to 31,249.99, 43,125.11 and 17,103.61

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Solution

The fourth proportional to 31,249.99, 43,125.11 and 17,103.61 is: 23,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.99 : 43,125.11 = 17,103.61 : x
  2. Step 2: Convert to fraction form
    31,249.99/43,125.11 = 17,103.61/x
  3. Step 3: Cross multiply
    31,249.99x = 43,125.11 × 17,103.61
  4. Step 4: Simplify right side
    31,249.99x = 737,595,062.65
  5. Step 5: Solve for x
    x = 737,595,062.65/31,249.99
  6. Step 6: Final answer
    x = 23,603.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.