Home / 31,792.45-43,868.49-18,361.23

Finding the Fourth Proportional to 31,792.45, 43,868.49 and 18,361.23

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Solution

The fourth proportional to 31,792.45, 43,868.49 and 18,361.23 is: 25,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,792.45 : 43,868.49 = 18,361.23 : x
  2. Step 2: Convert to fraction form
    31,792.45/43,868.49 = 18,361.23/x
  3. Step 3: Cross multiply
    31,792.45x = 43,868.49 × 18,361.23
  4. Step 4: Simplify right side
    31,792.45x = 805,479,448.04
  5. Step 5: Solve for x
    x = 805,479,448.04/31,792.45
  6. Step 6: Final answer
    x = 25,335.56

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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.