Home / 41,749.30-57,636.21-28,391.86

Finding the Fourth Proportional to 41,749.30, 57,636.21 and 28,391.86

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Solution

The fourth proportional to 41,749.30, 57,636.21 and 28,391.86 is: 39,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,749.30 : 57,636.21 = 28,391.86 : x
  2. Step 2: Convert to fraction form
    41,749.30/57,636.21 = 28,391.86/x
  3. Step 3: Cross multiply
    41,749.30x = 57,636.21 × 28,391.86
  4. Step 4: Simplify right side
    41,749.30x = 1,636,399,205.25
  5. Step 5: Solve for x
    x = 1,636,399,205.25/41,749.30
  6. Step 6: Final answer
    x = 39,195.85

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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.