Home / 40,031.11-55,245.79-22,125.73

Finding the Fourth Proportional to 40,031.11, 55,245.79 and 22,125.73

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Solution

The fourth proportional to 40,031.11, 55,245.79 and 22,125.73 is: 30,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.11 : 55,245.79 = 22,125.73 : x
  2. Step 2: Convert to fraction form
    40,031.11/55,245.79 = 22,125.73/x
  3. Step 3: Cross multiply
    40,031.11x = 55,245.79 × 22,125.73
  4. Step 4: Simplify right side
    40,031.11x = 1,222,353,433.18
  5. Step 5: Solve for x
    x = 1,222,353,433.18/40,031.11
  6. Step 6: Final answer
    x = 30,535.09

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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.