Home / 57,682.32-86,550.12-22,631.28

Finding the Fourth Proportional to 57,682.32, 86,550.12 and 22,631.28

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Solution

The fourth proportional to 57,682.32, 86,550.12 and 22,631.28 is: 33,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,682.32 : 86,550.12 = 22,631.28 : x
  2. Step 2: Convert to fraction form
    57,682.32/86,550.12 = 22,631.28/x
  3. Step 3: Cross multiply
    57,682.32x = 86,550.12 × 22,631.28
  4. Step 4: Simplify right side
    57,682.32x = 1,958,739,999.75
  5. Step 5: Solve for x
    x = 1,958,739,999.75/57,682.32
  6. Step 6: Final answer
    x = 33,957.37

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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.