Home / 29,217.05-43,861.89-20,388.53

Finding the Fourth Proportional to 29,217.05, 43,861.89 and 20,388.53

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Solution

The fourth proportional to 29,217.05, 43,861.89 and 20,388.53 is: 30,608.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,217.05 : 43,861.89 = 20,388.53 : x
  2. Step 2: Convert to fraction form
    29,217.05/43,861.89 = 20,388.53/x
  3. Step 3: Cross multiply
    29,217.05x = 43,861.89 × 20,388.53
  4. Step 4: Simplify right side
    29,217.05x = 894,279,240.81
  5. Step 5: Solve for x
    x = 894,279,240.81/29,217.05
  6. Step 6: Final answer
    x = 30,608.13

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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.