Home / 39,944.58-55,123.72-22,039.60

Finding the Fourth Proportional to 39,944.58, 55,123.72 and 22,039.60

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Solution

The fourth proportional to 39,944.58, 55,123.72 and 22,039.60 is: 30,414.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,944.58 : 55,123.72 = 22,039.60 : x
  2. Step 2: Convert to fraction form
    39,944.58/55,123.72 = 22,039.60/x
  3. Step 3: Cross multiply
    39,944.58x = 55,123.72 × 22,039.60
  4. Step 4: Simplify right side
    39,944.58x = 1,214,904,546.40
  5. Step 5: Solve for x
    x = 1,214,904,546.40/39,944.58
  6. Step 6: Final answer
    x = 30,414.75

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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.