Home / 39,950.28-55,131.12-22,046.04

Finding the Fourth Proportional to 39,950.28, 55,131.12 and 22,046.04

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Solution

The fourth proportional to 39,950.28, 55,131.12 and 22,046.04 is: 30,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,950.28 : 55,131.12 = 22,046.04 : x
  2. Step 2: Convert to fraction form
    39,950.28/55,131.12 = 22,046.04/x
  3. Step 3: Cross multiply
    39,950.28x = 55,131.12 × 22,046.04
  4. Step 4: Simplify right side
    39,950.28x = 1,215,422,876.76
  5. Step 5: Solve for x
    x = 1,215,422,876.76/39,950.28
  6. Step 6: Final answer
    x = 30,423.39

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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.