Home / 43,039.49-64,571.78-18,066.38

Finding the Fourth Proportional to 43,039.49, 64,571.78 and 18,066.38

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Solution

The fourth proportional to 43,039.49, 64,571.78 and 18,066.38 is: 27,104.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,039.49 : 64,571.78 = 18,066.38 : x
  2. Step 2: Convert to fraction form
    43,039.49/64,571.78 = 18,066.38/x
  3. Step 3: Cross multiply
    43,039.49x = 64,571.78 × 18,066.38
  4. Step 4: Simplify right side
    43,039.49x = 1,166,578,037.06
  5. Step 5: Solve for x
    x = 1,166,578,037.06/43,039.49
  6. Step 6: Final answer
    x = 27,104.83

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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.