Home / 31,944.32-44,077.68-18,517.28

Finding the Fourth Proportional to 31,944.32, 44,077.68 and 18,517.28

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Solution

The fourth proportional to 31,944.32, 44,077.68 and 18,517.28 is: 25,550.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,944.32 : 44,077.68 = 18,517.28 : x
  2. Step 2: Convert to fraction form
    31,944.32/44,077.68 = 18,517.28/x
  3. Step 3: Cross multiply
    31,944.32x = 44,077.68 × 18,517.28
  4. Step 4: Simplify right side
    31,944.32x = 816,198,742.31
  5. Step 5: Solve for x
    x = 816,198,742.31/31,944.32
  6. Step 6: Final answer
    x = 25,550.67

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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.