Home / 38,324.78-57,449.83-18,329.07

Finding the Fourth Proportional to 38,324.78, 57,449.83 and 18,329.07

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Solution

The fourth proportional to 38,324.78, 57,449.83 and 18,329.07 is: 27,475.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,324.78 : 57,449.83 = 18,329.07 : x
  2. Step 2: Convert to fraction form
    38,324.78/57,449.83 = 18,329.07/x
  3. Step 3: Cross multiply
    38,324.78x = 57,449.83 × 18,329.07
  4. Step 4: Simplify right side
    38,324.78x = 1,053,002,130.30
  5. Step 5: Solve for x
    x = 1,053,002,130.30/38,324.78
  6. Step 6: Final answer
    x = 27,475.75

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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.