Home / 30,173.85-41,640.36-16,745.97

Finding the Fourth Proportional to 30,173.85, 41,640.36 and 16,745.97

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Solution

The fourth proportional to 30,173.85, 41,640.36 and 16,745.97 is: 23,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.85 : 41,640.36 = 16,745.97 : x
  2. Step 2: Convert to fraction form
    30,173.85/41,640.36 = 16,745.97/x
  3. Step 3: Cross multiply
    30,173.85x = 41,640.36 × 16,745.97
  4. Step 4: Simplify right side
    30,173.85x = 697,308,219.35
  5. Step 5: Solve for x
    x = 697,308,219.35/30,173.85
  6. Step 6: Final answer
    x = 23,109.69

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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.