Home / 55,497.09-83,231.78-21,769.97

Finding the Fourth Proportional to 55,497.09, 83,231.78 and 21,769.97

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Solution

The fourth proportional to 55,497.09, 83,231.78 and 21,769.97 is: 32,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,497.09 : 83,231.78 = 21,769.97 : x
  2. Step 2: Convert to fraction form
    55,497.09/83,231.78 = 21,769.97/x
  3. Step 3: Cross multiply
    55,497.09x = 83,231.78 × 21,769.97
  4. Step 4: Simplify right side
    55,497.09x = 1,811,952,991.91
  5. Step 5: Solve for x
    x = 1,811,952,991.91/55,497.09
  6. Step 6: Final answer
    x = 32,649.51

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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.