Home / 40,007.92-55,209.96-22,104.64

Finding the Fourth Proportional to 40,007.92, 55,209.96 and 22,104.64

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Solution

The fourth proportional to 40,007.92, 55,209.96 and 22,104.64 is: 30,503.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.92 : 55,209.96 = 22,104.64 : x
  2. Step 2: Convert to fraction form
    40,007.92/55,209.96 = 22,104.64/x
  3. Step 3: Cross multiply
    40,007.92x = 55,209.96 × 22,104.64
  4. Step 4: Simplify right side
    40,007.92x = 1,220,396,290.21
  5. Step 5: Solve for x
    x = 1,220,396,290.21/40,007.92
  6. Step 6: Final answer
    x = 30,503.87

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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.