Home / 30,174.56-41,640.25-16,745.70

Finding the Fourth Proportional to 30,174.56, 41,640.25 and 16,745.70

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Solution

The fourth proportional to 30,174.56, 41,640.25 and 16,745.70 is: 23,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.56 : 41,640.25 = 16,745.70 : x
  2. Step 2: Convert to fraction form
    30,174.56/41,640.25 = 16,745.70/x
  3. Step 3: Cross multiply
    30,174.56x = 41,640.25 × 16,745.70
  4. Step 4: Simplify right side
    30,174.56x = 697,295,134.43
  5. Step 5: Solve for x
    x = 697,295,134.43/30,174.56
  6. Step 6: Final answer
    x = 23,108.71

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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.