Home / 51,253.22-76,879.17-42,469.71

Finding the Fourth Proportional to 51,253.22, 76,879.17 and 42,469.71

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Solution

The fourth proportional to 51,253.22, 76,879.17 and 42,469.71 is: 63,704.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,253.22 : 76,879.17 = 42,469.71 : x
  2. Step 2: Convert to fraction form
    51,253.22/76,879.17 = 42,469.71/x
  3. Step 3: Cross multiply
    51,253.22x = 76,879.17 × 42,469.71
  4. Step 4: Simplify right side
    51,253.22x = 3,265,036,054.94
  5. Step 5: Solve for x
    x = 3,265,036,054.94/51,253.22
  6. Step 6: Final answer
    x = 63,704.02

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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.