Home / 31,965.20-44,112.17-18,544.45

Finding the Fourth Proportional to 31,965.20, 44,112.17 and 18,544.45

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Solution

The fourth proportional to 31,965.20, 44,112.17 and 18,544.45 is: 25,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,965.20 : 44,112.17 = 18,544.45 : x
  2. Step 2: Convert to fraction form
    31,965.20/44,112.17 = 18,544.45/x
  3. Step 3: Cross multiply
    31,965.20x = 44,112.17 × 18,544.45
  4. Step 4: Simplify right side
    31,965.20x = 818,035,930.96
  5. Step 5: Solve for x
    x = 818,035,930.96/31,965.20
  6. Step 6: Final answer
    x = 25,591.45

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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.