Home / 41,393.16-57,119.22-28,845

Finding the Fourth Proportional to 41,393.16, 57,119.22 and 28,845

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Solution

The fourth proportional to 41,393.16, 57,119.22 and 28,845 is: 39,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,393.16 : 57,119.22 = 28,845 : x
  2. Step 2: Convert to fraction form
    41,393.16/57,119.22 = 28,845/x
  3. Step 3: Cross multiply
    41,393.16x = 57,119.22 × 28,845
  4. Step 4: Simplify right side
    41,393.16x = 1,647,603,900.90
  5. Step 5: Solve for x
    x = 1,647,603,900.90/41,393.16
  6. Step 6: Final answer
    x = 39,803.77

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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.