Home / 31,716.81-43,769.03-17,569.53

Finding the Fourth Proportional to 31,716.81, 43,769.03 and 17,569.53

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Solution

The fourth proportional to 31,716.81, 43,769.03 and 17,569.53 is: 24,245.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,716.81 : 43,769.03 = 17,569.53 : x
  2. Step 2: Convert to fraction form
    31,716.81/43,769.03 = 17,569.53/x
  3. Step 3: Cross multiply
    31,716.81x = 43,769.03 × 17,569.53
  4. Step 4: Simplify right side
    31,716.81x = 769,001,197.81
  5. Step 5: Solve for x
    x = 769,001,197.81/31,716.81
  6. Step 6: Final answer
    x = 24,245.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.