Home / 43,310.82-64,968.54-13,730.97

Finding the Fourth Proportional to 43,310.82, 64,968.54 and 13,730.97

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Solution

The fourth proportional to 43,310.82, 64,968.54 and 13,730.97 is: 20,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,310.82 : 64,968.54 = 13,730.97 : x
  2. Step 2: Convert to fraction form
    43,310.82/64,968.54 = 13,730.97/x
  3. Step 3: Cross multiply
    43,310.82x = 64,968.54 × 13,730.97
  4. Step 4: Simplify right side
    43,310.82x = 892,081,073.68
  5. Step 5: Solve for x
    x = 892,081,073.68/43,310.82
  6. Step 6: Final answer
    x = 20,597.19

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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.