Home / 35,201.35-52,786.24-20,976.54

Finding the Fourth Proportional to 35,201.35, 52,786.24 and 20,976.54

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Solution

The fourth proportional to 35,201.35, 52,786.24 and 20,976.54 is: 31,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,201.35 : 52,786.24 = 20,976.54 : x
  2. Step 2: Convert to fraction form
    35,201.35/52,786.24 = 20,976.54/x
  3. Step 3: Cross multiply
    35,201.35x = 52,786.24 × 20,976.54
  4. Step 4: Simplify right side
    35,201.35x = 1,107,272,424.42
  5. Step 5: Solve for x
    x = 1,107,272,424.42/35,201.35
  6. Step 6: Final answer
    x = 31,455.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.