Home / 38,179.26-52,686.38-21,183.43

Finding the Fourth Proportional to 38,179.26, 52,686.38 and 21,183.43

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Solution

The fourth proportional to 38,179.26, 52,686.38 and 21,183.43 is: 29,232.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.26 : 52,686.38 = 21,183.43 : x
  2. Step 2: Convert to fraction form
    38,179.26/52,686.38 = 21,183.43/x
  3. Step 3: Cross multiply
    38,179.26x = 52,686.38 × 21,183.43
  4. Step 4: Simplify right side
    38,179.26x = 1,116,078,242.68
  5. Step 5: Solve for x
    x = 1,116,078,242.68/38,179.26
  6. Step 6: Final answer
    x = 29,232.58

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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.