Home / 43,976.82-65,928.24-14,378.52

Finding the Fourth Proportional to 43,976.82, 65,928.24 and 14,378.52

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Solution

The fourth proportional to 43,976.82, 65,928.24 and 14,378.52 is: 21,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,976.82 : 65,928.24 = 14,378.52 : x
  2. Step 2: Convert to fraction form
    43,976.82/65,928.24 = 14,378.52/x
  3. Step 3: Cross multiply
    43,976.82x = 65,928.24 × 14,378.52
  4. Step 4: Simplify right side
    43,976.82x = 947,950,517.40
  5. Step 5: Solve for x
    x = 947,950,517.40/43,976.82
  6. Step 6: Final answer
    x = 21,555.69

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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.