Home / 49,622.38-68,480.19-28,408.48

Finding the Fourth Proportional to 49,622.38, 68,480.19 and 28,408.48

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Solution

The fourth proportional to 49,622.38, 68,480.19 and 28,408.48 is: 39,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,622.38 : 68,480.19 = 28,408.48 : x
  2. Step 2: Convert to fraction form
    49,622.38/68,480.19 = 28,408.48/x
  3. Step 3: Cross multiply
    49,622.38x = 68,480.19 × 28,408.48
  4. Step 4: Simplify right side
    49,622.38x = 1,945,418,108.01
  5. Step 5: Solve for x
    x = 1,945,418,108.01/49,622.38
  6. Step 6: Final answer
    x = 39,204.45

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Half scale
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Double scale
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Similar ratio
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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.