Home / 31,297.92-43,190.97-16,957.68

Finding the Fourth Proportional to 31,297.92, 43,190.97 and 16,957.68

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Solution

The fourth proportional to 31,297.92, 43,190.97 and 16,957.68 is: 23,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.92 : 43,190.97 = 16,957.68 : x
  2. Step 2: Convert to fraction form
    31,297.92/43,190.97 = 16,957.68/x
  3. Step 3: Cross multiply
    31,297.92x = 43,190.97 × 16,957.68
  4. Step 4: Simplify right side
    31,297.92x = 732,418,648.15
  5. Step 5: Solve for x
    x = 732,418,648.15/31,297.92
  6. Step 6: Final answer
    x = 23,401.51

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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.