Home / 31,834.97-43,933.19-18,225.46

Finding the Fourth Proportional to 31,834.97, 43,933.19 and 18,225.46

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Solution

The fourth proportional to 31,834.97, 43,933.19 and 18,225.46 is: 25,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,834.97 : 43,933.19 = 18,225.46 : x
  2. Step 2: Convert to fraction form
    31,834.97/43,933.19 = 18,225.46/x
  3. Step 3: Cross multiply
    31,834.97x = 43,933.19 × 18,225.46
  4. Step 4: Simplify right side
    31,834.97x = 800,702,313.68
  5. Step 5: Solve for x
    x = 800,702,313.68/31,834.97
  6. Step 6: Final answer
    x = 25,151.66

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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.