Home / 40,134.82-55,383.62-22,228.76

Finding the Fourth Proportional to 40,134.82, 55,383.62 and 22,228.76

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Solution

The fourth proportional to 40,134.82, 55,383.62 and 22,228.76 is: 30,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,134.82 : 55,383.62 = 22,228.76 : x
  2. Step 2: Convert to fraction form
    40,134.82/55,383.62 = 22,228.76/x
  3. Step 3: Cross multiply
    40,134.82x = 55,383.62 × 22,228.76
  4. Step 4: Simplify right side
    40,134.82x = 1,231,108,808.85
  5. Step 5: Solve for x
    x = 1,231,108,808.85/40,134.82
  6. Step 6: Final answer
    x = 30,674.33

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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.