Home / 41,865.28-57,774-22,745.12

Finding the Fourth Proportional to 41,865.28, 57,774 and 22,745.12

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Solution

The fourth proportional to 41,865.28, 57,774 and 22,745.12 is: 31,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,865.28 : 57,774 = 22,745.12 : x
  2. Step 2: Convert to fraction form
    41,865.28/57,774 = 22,745.12/x
  3. Step 3: Cross multiply
    41,865.28x = 57,774 × 22,745.12
  4. Step 4: Simplify right side
    41,865.28x = 1,314,076,562.88
  5. Step 5: Solve for x
    x = 1,314,076,562.88/41,865.28
  6. Step 6: Final answer
    x = 31,388.22

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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.