Home / 35,105.76-48,439.23-19,998.09

Finding the Fourth Proportional to 35,105.76, 48,439.23 and 19,998.09

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Solution

The fourth proportional to 35,105.76, 48,439.23 and 19,998.09 is: 27,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.76 : 48,439.23 = 19,998.09 : x
  2. Step 2: Convert to fraction form
    35,105.76/48,439.23 = 19,998.09/x
  3. Step 3: Cross multiply
    35,105.76x = 48,439.23 × 19,998.09
  4. Step 4: Simplify right side
    35,105.76x = 968,692,081.07
  5. Step 5: Solve for x
    x = 968,692,081.07/35,105.76
  6. Step 6: Final answer
    x = 27,593.54

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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.