Home / 52,229.26-78,330.48-20,201.86

Finding the Fourth Proportional to 52,229.26, 78,330.48 and 20,201.86

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Solution

The fourth proportional to 52,229.26, 78,330.48 and 20,201.86 is: 30,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,229.26 : 78,330.48 = 20,201.86 : x
  2. Step 2: Convert to fraction form
    52,229.26/78,330.48 = 20,201.86/x
  3. Step 3: Cross multiply
    52,229.26x = 78,330.48 × 20,201.86
  4. Step 4: Simplify right side
    52,229.26x = 1,582,421,390.69
  5. Step 5: Solve for x
    x = 1,582,421,390.69/52,229.26
  6. Step 6: Final answer
    x = 30,297.60

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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.