Home / 29,331.40-43,996.68-7,144.78

Finding the Fourth Proportional to 29,331.40, 43,996.68 and 7,144.78

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Solution

The fourth proportional to 29,331.40, 43,996.68 and 7,144.78 is: 10,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331.40 : 43,996.68 = 7,144.78 : x
  2. Step 2: Convert to fraction form
    29,331.40/43,996.68 = 7,144.78/x
  3. Step 3: Cross multiply
    29,331.40x = 43,996.68 × 7,144.78
  4. Step 4: Simplify right side
    29,331.40x = 314,346,599.33
  5. Step 5: Solve for x
    x = 314,346,599.33/29,331.40
  6. Step 6: Final answer
    x = 10,717.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.