Home / 43,039.14-64,562.43-11,874.39

Finding the Fourth Proportional to 43,039.14, 64,562.43 and 11,874.39

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Solution

The fourth proportional to 43,039.14, 64,562.43 and 11,874.39 is: 17,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,039.14 : 64,562.43 = 11,874.39 : x
  2. Step 2: Convert to fraction form
    43,039.14/64,562.43 = 11,874.39/x
  3. Step 3: Cross multiply
    43,039.14x = 64,562.43 × 11,874.39
  4. Step 4: Simplify right side
    43,039.14x = 766,639,473.17
  5. Step 5: Solve for x
    x = 766,639,473.17/43,039.14
  6. Step 6: Final answer
    x = 17,812.61

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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.