Home / 43,669.77-65,449.86-18,680.46

Finding the Fourth Proportional to 43,669.77, 65,449.86 and 18,680.46

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Solution

The fourth proportional to 43,669.77, 65,449.86 and 18,680.46 is: 27,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,669.77 : 65,449.86 = 18,680.46 : x
  2. Step 2: Convert to fraction form
    43,669.77/65,449.86 = 18,680.46/x
  3. Step 3: Cross multiply
    43,669.77x = 65,449.86 × 18,680.46
  4. Step 4: Simplify right side
    43,669.77x = 1,222,633,491.74
  5. Step 5: Solve for x
    x = 1,222,633,491.74/43,669.77
  6. Step 6: Final answer
    x = 27,997.25

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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.