Home / 55,832.91-83,762.31-18,391.64

Finding the Fourth Proportional to 55,832.91, 83,762.31 and 18,391.64

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Solution

The fourth proportional to 55,832.91, 83,762.31 and 18,391.64 is: 27,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,832.91 : 83,762.31 = 18,391.64 : x
  2. Step 2: Convert to fraction form
    55,832.91/83,762.31 = 18,391.64/x
  3. Step 3: Cross multiply
    55,832.91x = 83,762.31 × 18,391.64
  4. Step 4: Simplify right side
    55,832.91x = 1,540,526,251.09
  5. Step 5: Solve for x
    x = 1,540,526,251.09/55,832.91
  6. Step 6: Final answer
    x = 27,591.72

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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.