Home / 39,837.42-59,793.05-20,129.85

Finding the Fourth Proportional to 39,837.42, 59,793.05 and 20,129.85

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Solution

The fourth proportional to 39,837.42, 59,793.05 and 20,129.85 is: 30,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,837.42 : 59,793.05 = 20,129.85 : x
  2. Step 2: Convert to fraction form
    39,837.42/59,793.05 = 20,129.85/x
  3. Step 3: Cross multiply
    39,837.42x = 59,793.05 × 20,129.85
  4. Step 4: Simplify right side
    39,837.42x = 1,203,625,177.87
  5. Step 5: Solve for x
    x = 1,203,625,177.87/39,837.42
  6. Step 6: Final answer
    x = 30,213.43

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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.