Home / 38,179.44-57,269.16-19,712.88

Finding the Fourth Proportional to 38,179.44, 57,269.16 and 19,712.88

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Solution

The fourth proportional to 38,179.44, 57,269.16 and 19,712.88 is: 29,569.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.44 : 57,269.16 = 19,712.88 : x
  2. Step 2: Convert to fraction form
    38,179.44/57,269.16 = 19,712.88/x
  3. Step 3: Cross multiply
    38,179.44x = 57,269.16 × 19,712.88
  4. Step 4: Simplify right side
    38,179.44x = 1,128,940,078.78
  5. Step 5: Solve for x
    x = 1,128,940,078.78/38,179.44
  6. Step 6: Final answer
    x = 29,569.32

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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.