Home / 55,057.20-75,976.68-29,906.16

Finding the Fourth Proportional to 55,057.20, 75,976.68 and 29,906.16

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Solution

The fourth proportional to 55,057.20, 75,976.68 and 29,906.16 is: 41,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,057.20 : 75,976.68 = 29,906.16 : x
  2. Step 2: Convert to fraction form
    55,057.20/75,976.68 = 29,906.16/x
  3. Step 3: Cross multiply
    55,057.20x = 75,976.68 × 29,906.16
  4. Step 4: Simplify right side
    55,057.20x = 2,272,170,748.35
  5. Step 5: Solve for x
    x = 2,272,170,748.35/55,057.20
  6. Step 6: Final answer
    x = 41,269.28

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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.