Home / 71,826.26-107,739.32-19,234.31

Finding the Fourth Proportional to 71,826.26, 107,739.32 and 19,234.31

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Solution

The fourth proportional to 71,826.26, 107,739.32 and 19,234.31 is: 28,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,826.26 : 107,739.32 = 19,234.31 : x
  2. Step 2: Convert to fraction form
    71,826.26/107,739.32 = 19,234.31/x
  3. Step 3: Cross multiply
    71,826.26x = 107,739.32 × 19,234.31
  4. Step 4: Simplify right side
    71,826.26x = 2,072,290,845.20
  5. Step 5: Solve for x
    x = 2,072,290,845.20/71,826.26
  6. Step 6: Final answer
    x = 28,851.44

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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.