Home / 36,331.68-54,467.82-18,806.52

Finding the Fourth Proportional to 36,331.68, 54,467.82 and 18,806.52

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Solution

The fourth proportional to 36,331.68, 54,467.82 and 18,806.52 is: 28,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,331.68 : 54,467.82 = 18,806.52 : x
  2. Step 2: Convert to fraction form
    36,331.68/54,467.82 = 18,806.52/x
  3. Step 3: Cross multiply
    36,331.68x = 54,467.82 × 18,806.52
  4. Step 4: Simplify right side
    36,331.68x = 1,024,350,146.19
  5. Step 5: Solve for x
    x = 1,024,350,146.19/36,331.68
  6. Step 6: Final answer
    x = 28,194.41

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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.