Home / 53,234.31-79,845.24-13,788.39

Finding the Fourth Proportional to 53,234.31, 79,845.24 and 13,788.39

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Solution

The fourth proportional to 53,234.31, 79,845.24 and 13,788.39 is: 20,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,234.31 : 79,845.24 = 13,788.39 : x
  2. Step 2: Convert to fraction form
    53,234.31/79,845.24 = 13,788.39/x
  3. Step 3: Cross multiply
    53,234.31x = 79,845.24 × 13,788.39
  4. Step 4: Simplify right side
    53,234.31x = 1,100,937,308.76
  5. Step 5: Solve for x
    x = 1,100,937,308.76/53,234.31
  6. Step 6: Final answer
    x = 20,680.97

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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.