Home / 41,424.21-57,147.22-27,990.56

Finding the Fourth Proportional to 41,424.21, 57,147.22 and 27,990.56

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Solution

The fourth proportional to 41,424.21, 57,147.22 and 27,990.56 is: 38,614.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,424.21 : 57,147.22 = 27,990.56 : x
  2. Step 2: Convert to fraction form
    41,424.21/57,147.22 = 27,990.56/x
  3. Step 3: Cross multiply
    41,424.21x = 57,147.22 × 27,990.56
  4. Step 4: Simplify right side
    41,424.21x = 1,599,582,868.10
  5. Step 5: Solve for x
    x = 1,599,582,868.10/41,424.21
  6. Step 6: Final answer
    x = 38,614.69

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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.