Home / 39,932.91-55,107.12-22,027.50

Finding the Fourth Proportional to 39,932.91, 55,107.12 and 22,027.50

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Solution

The fourth proportional to 39,932.91, 55,107.12 and 22,027.50 is: 30,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.91 : 55,107.12 = 22,027.50 : x
  2. Step 2: Convert to fraction form
    39,932.91/55,107.12 = 22,027.50/x
  3. Step 3: Cross multiply
    39,932.91x = 55,107.12 × 22,027.50
  4. Step 4: Simplify right side
    39,932.91x = 1,213,872,085.80
  5. Step 5: Solve for x
    x = 1,213,872,085.80/39,932.91
  6. Step 6: Final answer
    x = 30,397.79

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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.