Home / 40,008.87-55,209.47-22,103.73

Finding the Fourth Proportional to 40,008.87, 55,209.47 and 22,103.73

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Solution

The fourth proportional to 40,008.87, 55,209.47 and 22,103.73 is: 30,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,008.87 : 55,209.47 = 22,103.73 : x
  2. Step 2: Convert to fraction form
    40,008.87/55,209.47 = 22,103.73/x
  3. Step 3: Cross multiply
    40,008.87x = 55,209.47 × 22,103.73
  4. Step 4: Simplify right side
    40,008.87x = 1,220,335,107.80
  5. Step 5: Solve for x
    x = 1,220,335,107.80/40,008.87
  6. Step 6: Final answer
    x = 30,501.61

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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.