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Finding the Fourth Proportional to 35,648.48, 49,195.60 and 19,732.48

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Solution

The fourth proportional to 35,648.48, 49,195.60 and 19,732.48 is: 27,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,648.48 : 49,195.60 = 19,732.48 : x
  2. Step 2: Convert to fraction form
    35,648.48/49,195.60 = 19,732.48/x
  3. Step 3: Cross multiply
    35,648.48x = 49,195.60 × 19,732.48
  4. Step 4: Simplify right side
    35,648.48x = 970,751,193.09
  5. Step 5: Solve for x
    x = 970,751,193.09/35,648.48
  6. Step 6: Final answer
    x = 27,231.21

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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.