Home / 38,183.73-52,691.73-21,187.78

Finding the Fourth Proportional to 38,183.73, 52,691.73 and 21,187.78

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Solution

The fourth proportional to 38,183.73, 52,691.73 and 21,187.78 is: 29,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,183.73 : 52,691.73 = 21,187.78 : x
  2. Step 2: Convert to fraction form
    38,183.73/52,691.73 = 21,187.78/x
  3. Step 3: Cross multiply
    38,183.73x = 52,691.73 × 21,187.78
  4. Step 4: Simplify right side
    38,183.73x = 1,116,420,783.06
  5. Step 5: Solve for x
    x = 1,116,420,783.06/38,183.73
  6. Step 6: Final answer
    x = 29,238.13

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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.