Home / 35,455.66-53,183.49-20,664.52

Finding the Fourth Proportional to 35,455.66, 53,183.49 and 20,664.52

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Solution

The fourth proportional to 35,455.66, 53,183.49 and 20,664.52 is: 30,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.66 : 53,183.49 = 20,664.52 : x
  2. Step 2: Convert to fraction form
    35,455.66/53,183.49 = 20,664.52/x
  3. Step 3: Cross multiply
    35,455.66x = 53,183.49 × 20,664.52
  4. Step 4: Simplify right side
    35,455.66x = 1,099,011,292.77
  5. Step 5: Solve for x
    x = 1,099,011,292.77/35,455.66
  6. Step 6: Final answer
    x = 30,996.78

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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.