Home / 30,391.68-41,936.37-16,961.22

Finding the Fourth Proportional to 30,391.68, 41,936.37 and 16,961.22

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Solution

The fourth proportional to 30,391.68, 41,936.37 and 16,961.22 is: 23,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,391.68 : 41,936.37 = 16,961.22 : x
  2. Step 2: Convert to fraction form
    30,391.68/41,936.37 = 16,961.22/x
  3. Step 3: Cross multiply
    30,391.68x = 41,936.37 × 16,961.22
  4. Step 4: Simplify right side
    30,391.68x = 711,291,997.57
  5. Step 5: Solve for x
    x = 711,291,997.57/30,391.68
  6. Step 6: Final answer
    x = 23,404.17

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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.