Home / 31,245.84-43,091.97-22,153.25

Finding the Fourth Proportional to 31,245.84, 43,091.97 and 22,153.25

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Solution

The fourth proportional to 31,245.84, 43,091.97 and 22,153.25 is: 30,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245.84 : 43,091.97 = 22,153.25 : x
  2. Step 2: Convert to fraction form
    31,245.84/43,091.97 = 22,153.25/x
  3. Step 3: Cross multiply
    31,245.84x = 43,091.97 × 22,153.25
  4. Step 4: Simplify right side
    31,245.84x = 954,626,968.94
  5. Step 5: Solve for x
    x = 954,626,968.94/31,245.84
  6. Step 6: Final answer
    x = 30,552.13

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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.