Home / 30,174.25-41,640.49-16,745.52

Finding the Fourth Proportional to 30,174.25, 41,640.49 and 16,745.52

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Solution

The fourth proportional to 30,174.25, 41,640.49 and 16,745.52 is: 23,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.25 : 41,640.49 = 16,745.52 : x
  2. Step 2: Convert to fraction form
    30,174.25/41,640.49 = 16,745.52/x
  3. Step 3: Cross multiply
    30,174.25x = 41,640.49 × 16,745.52
  4. Step 4: Simplify right side
    30,174.25x = 697,291,658.10
  5. Step 5: Solve for x
    x = 697,291,658.10/30,174.25
  6. Step 6: Final answer
    x = 23,108.83

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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.