Home / 49,219.89-67,922.82-27,999.10

Finding the Fourth Proportional to 49,219.89, 67,922.82 and 27,999.10

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Solution

The fourth proportional to 49,219.89, 67,922.82 and 27,999.10 is: 38,638.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,219.89 : 67,922.82 = 27,999.10 : x
  2. Step 2: Convert to fraction form
    49,219.89/67,922.82 = 27,999.10/x
  3. Step 3: Cross multiply
    49,219.89x = 67,922.82 × 27,999.10
  4. Step 4: Simplify right side
    49,219.89x = 1,901,777,914.37
  5. Step 5: Solve for x
    x = 1,901,777,914.37/49,219.89
  6. Step 6: Final answer
    x = 38,638.41

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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.