Home / 51,211.41-76,764.33-19,612.86

Finding the Fourth Proportional to 51,211.41, 76,764.33 and 19,612.86

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Solution

The fourth proportional to 51,211.41, 76,764.33 and 19,612.86 is: 29,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,211.41 : 76,764.33 = 19,612.86 : x
  2. Step 2: Convert to fraction form
    51,211.41/76,764.33 = 19,612.86/x
  3. Step 3: Cross multiply
    51,211.41x = 76,764.33 × 19,612.86
  4. Step 4: Simplify right side
    51,211.41x = 1,505,568,057.28
  5. Step 5: Solve for x
    x = 1,505,568,057.28/51,211.41
  6. Step 6: Final answer
    x = 29,399.07

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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.