Home / 43,336.32-65,014.56-18,378.48

Finding the Fourth Proportional to 43,336.32, 65,014.56 and 18,378.48

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Solution

The fourth proportional to 43,336.32, 65,014.56 and 18,378.48 is: 27,571.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,336.32 : 65,014.56 = 18,378.48 : x
  2. Step 2: Convert to fraction form
    43,336.32/65,014.56 = 18,378.48/x
  3. Step 3: Cross multiply
    43,336.32x = 65,014.56 × 18,378.48
  4. Step 4: Simplify right side
    43,336.32x = 1,194,868,790.67
  5. Step 5: Solve for x
    x = 1,194,868,790.67/43,336.32
  6. Step 6: Final answer
    x = 27,571.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.