Home / 31,376.46-43,300.26-17,229.54

Finding the Fourth Proportional to 31,376.46, 43,300.26 and 17,229.54

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Solution

The fourth proportional to 31,376.46, 43,300.26 and 17,229.54 is: 23,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,376.46 : 43,300.26 = 17,229.54 : x
  2. Step 2: Convert to fraction form
    31,376.46/43,300.26 = 17,229.54/x
  3. Step 3: Cross multiply
    31,376.46x = 43,300.26 × 17,229.54
  4. Step 4: Simplify right side
    31,376.46x = 746,043,561.68
  5. Step 5: Solve for x
    x = 746,043,561.68/31,376.46
  6. Step 6: Final answer
    x = 23,777.17

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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.