Home / 31,242.62-43,069.96-22,274.56

Finding the Fourth Proportional to 31,242.62, 43,069.96 and 22,274.56

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Solution

The fourth proportional to 31,242.62, 43,069.96 and 22,274.56 is: 30,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242.62 : 43,069.96 = 22,274.56 : x
  2. Step 2: Convert to fraction form
    31,242.62/43,069.96 = 22,274.56/x
  3. Step 3: Cross multiply
    31,242.62x = 43,069.96 × 22,274.56
  4. Step 4: Simplify right side
    31,242.62x = 959,364,489.90
  5. Step 5: Solve for x
    x = 959,364,489.90/31,242.62
  6. Step 6: Final answer
    x = 30,706.91

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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.