Home / 43,109.64-64,668.96-11,944.92

Finding the Fourth Proportional to 43,109.64, 64,668.96 and 11,944.92

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Solution

The fourth proportional to 43,109.64, 64,668.96 and 11,944.92 is: 17,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,109.64 : 64,668.96 = 11,944.92 : x
  2. Step 2: Convert to fraction form
    43,109.64/64,668.96 = 11,944.92/x
  3. Step 3: Cross multiply
    43,109.64x = 64,668.96 × 11,944.92
  4. Step 4: Simplify right side
    43,109.64x = 772,465,553.68
  5. Step 5: Solve for x
    x = 772,465,553.68/43,109.64
  6. Step 6: Final answer
    x = 17,918.63

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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.