Home / 43,104.45-64,660.32-11,519.31

Finding the Fourth Proportional to 43,104.45, 64,660.32 and 11,519.31

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Solution

The fourth proportional to 43,104.45, 64,660.32 and 11,519.31 is: 17,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,104.45 : 64,660.32 = 11,519.31 : x
  2. Step 2: Convert to fraction form
    43,104.45/64,660.32 = 11,519.31/x
  3. Step 3: Cross multiply
    43,104.45x = 64,660.32 × 11,519.31
  4. Step 4: Simplify right side
    43,104.45x = 744,842,270.78
  5. Step 5: Solve for x
    x = 744,842,270.78/43,104.45
  6. Step 6: Final answer
    x = 17,279.94

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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.