Home / 39,940.24-55,120.04-22,949.92

Finding the Fourth Proportional to 39,940.24, 55,120.04 and 22,949.92

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Solution

The fourth proportional to 39,940.24, 55,120.04 and 22,949.92 is: 31,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.24 : 55,120.04 = 22,949.92 : x
  2. Step 2: Convert to fraction form
    39,940.24/55,120.04 = 22,949.92/x
  3. Step 3: Cross multiply
    39,940.24x = 55,120.04 × 22,949.92
  4. Step 4: Simplify right side
    39,940.24x = 1,265,000,508.40
  5. Step 5: Solve for x
    x = 1,265,000,508.40/39,940.24
  6. Step 6: Final answer
    x = 31,672.33

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1.5x scale

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.