Home / 29,789.80-41,082.49-20,243.99

Finding the Fourth Proportional to 29,789.80, 41,082.49 and 20,243.99

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Solution

The fourth proportional to 29,789.80, 41,082.49 and 20,243.99 is: 27,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,789.80 : 41,082.49 = 20,243.99 : x
  2. Step 2: Convert to fraction form
    29,789.80/41,082.49 = 20,243.99/x
  3. Step 3: Cross multiply
    29,789.80x = 41,082.49 × 20,243.99
  4. Step 4: Simplify right side
    29,789.80x = 831,673,568.83
  5. Step 5: Solve for x
    x = 831,673,568.83/29,789.80
  6. Step 6: Final answer
    x = 27,918.07

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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.