Home / 31,388.92-43,316.57-17,241.46

Finding the Fourth Proportional to 31,388.92, 43,316.57 and 17,241.46

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Solution

The fourth proportional to 31,388.92, 43,316.57 and 17,241.46 is: 23,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,388.92 : 43,316.57 = 17,241.46 : x
  2. Step 2: Convert to fraction form
    31,388.92/43,316.57 = 17,241.46/x
  3. Step 3: Cross multiply
    31,388.92x = 43,316.57 × 17,241.46
  4. Step 4: Simplify right side
    31,388.92x = 746,840,843.80
  5. Step 5: Solve for x
    x = 746,840,843.80/31,388.92
  6. Step 6: Final answer
    x = 23,793.14

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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.