Home / 36,453.35-54,680.03-20,859.95

Finding the Fourth Proportional to 36,453.35, 54,680.03 and 20,859.95

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Solution

The fourth proportional to 36,453.35, 54,680.03 and 20,859.95 is: 31,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,453.35 : 54,680.03 = 20,859.95 : x
  2. Step 2: Convert to fraction form
    36,453.35/54,680.03 = 20,859.95/x
  3. Step 3: Cross multiply
    36,453.35x = 54,680.03 × 20,859.95
  4. Step 4: Simplify right side
    36,453.35x = 1,140,622,691.80
  5. Step 5: Solve for x
    x = 1,140,622,691.80/36,453.35
  6. Step 6: Final answer
    x = 31,289.93

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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.