Home / 31,968.06-44,120.19-18,361.45

Finding the Fourth Proportional to 31,968.06, 44,120.19 and 18,361.45

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Solution

The fourth proportional to 31,968.06, 44,120.19 and 18,361.45 is: 25,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968.06 : 44,120.19 = 18,361.45 : x
  2. Step 2: Convert to fraction form
    31,968.06/44,120.19 = 18,361.45/x
  3. Step 3: Cross multiply
    31,968.06x = 44,120.19 × 18,361.45
  4. Step 4: Simplify right side
    31,968.06x = 810,110,662.68
  5. Step 5: Solve for x
    x = 810,110,662.68/31,968.06
  6. Step 6: Final answer
    x = 25,341.25

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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.