Home / 71,247.05-106,867.53-18,655.37

Finding the Fourth Proportional to 71,247.05, 106,867.53 and 18,655.37

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Solution

The fourth proportional to 71,247.05, 106,867.53 and 18,655.37 is: 27,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,247.05 : 106,867.53 = 18,655.37 : x
  2. Step 2: Convert to fraction form
    71,247.05/106,867.53 = 18,655.37/x
  3. Step 3: Cross multiply
    71,247.05x = 106,867.53 × 18,655.37
  4. Step 4: Simplify right side
    71,247.05x = 1,993,652,778.80
  5. Step 5: Solve for x
    x = 1,993,652,778.80/71,247.05
  6. Step 6: Final answer
    x = 27,982.25

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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.