Home / 38,190.88-57,230.96-27,119.28

Finding the Fourth Proportional to 38,190.88, 57,230.96 and 27,119.28

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Solution

The fourth proportional to 38,190.88, 57,230.96 and 27,119.28 is: 40,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190.88 : 57,230.96 = 27,119.28 : x
  2. Step 2: Convert to fraction form
    38,190.88/57,230.96 = 27,119.28/x
  3. Step 3: Cross multiply
    38,190.88x = 57,230.96 × 27,119.28
  4. Step 4: Simplify right side
    38,190.88x = 1,552,062,428.91
  5. Step 5: Solve for x
    x = 1,552,062,428.91/38,190.88
  6. Step 6: Final answer
    x = 40,639.61

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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.