Home / 31,792.42-43,878.97-18,361.26

Finding the Fourth Proportional to 31,792.42, 43,878.97 and 18,361.26

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Solution

The fourth proportional to 31,792.42, 43,878.97 and 18,361.26 is: 25,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,792.42 : 43,878.97 = 18,361.26 : x
  2. Step 2: Convert to fraction form
    31,792.42/43,878.97 = 18,361.26/x
  3. Step 3: Cross multiply
    31,792.42x = 43,878.97 × 18,361.26
  4. Step 4: Simplify right side
    31,792.42x = 805,673,176.70
  5. Step 5: Solve for x
    x = 805,673,176.70/31,792.42
  6. Step 6: Final answer
    x = 25,341.68

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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.