Home / 31,905.99-44,031.22-18,481.46

Finding the Fourth Proportional to 31,905.99, 44,031.22 and 18,481.46

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Solution

The fourth proportional to 31,905.99, 44,031.22 and 18,481.46 is: 25,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,905.99 : 44,031.22 = 18,481.46 : x
  2. Step 2: Convert to fraction form
    31,905.99/44,031.22 = 18,481.46/x
  3. Step 3: Cross multiply
    31,905.99x = 44,031.22 × 18,481.46
  4. Step 4: Simplify right side
    31,905.99x = 813,760,964.82
  5. Step 5: Solve for x
    x = 813,760,964.82/31,905.99
  6. Step 6: Final answer
    x = 25,504.96

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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.