Home / 40,011.96-55,217.60-22,108.11

Finding the Fourth Proportional to 40,011.96, 55,217.60 and 22,108.11

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Solution

The fourth proportional to 40,011.96, 55,217.60 and 22,108.11 is: 30,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,011.96 : 55,217.60 = 22,108.11 : x
  2. Step 2: Convert to fraction form
    40,011.96/55,217.60 = 22,108.11/x
  3. Step 3: Cross multiply
    40,011.96x = 55,217.60 × 22,108.11
  4. Step 4: Simplify right side
    40,011.96x = 1,220,756,540.03
  5. Step 5: Solve for x
    x = 1,220,756,540.03/40,011.96
  6. Step 6: Final answer
    x = 30,509.79

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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.