Home / 27,491.05-41,257.30-20,114.53

Finding the Fourth Proportional to 27,491.05, 41,257.30 and 20,114.53

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Solution

The fourth proportional to 27,491.05, 41,257.30 and 20,114.53 is: 30,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,491.05 : 41,257.30 = 20,114.53 : x
  2. Step 2: Convert to fraction form
    27,491.05/41,257.30 = 20,114.53/x
  3. Step 3: Cross multiply
    27,491.05x = 41,257.30 × 20,114.53
  4. Step 4: Simplify right side
    27,491.05x = 829,871,343.94
  5. Step 5: Solve for x
    x = 829,871,343.94/27,491.05
  6. Step 6: Final answer
    x = 30,186.97

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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.