Home / 31,338.13-43,246.61-17,191

Finding the Fourth Proportional to 31,338.13, 43,246.61 and 17,191

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Solution

The fourth proportional to 31,338.13, 43,246.61 and 17,191 is: 23,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,338.13 : 43,246.61 = 17,191 : x
  2. Step 2: Convert to fraction form
    31,338.13/43,246.61 = 17,191/x
  3. Step 3: Cross multiply
    31,338.13x = 43,246.61 × 17,191
  4. Step 4: Simplify right side
    31,338.13x = 743,452,472.51
  5. Step 5: Solve for x
    x = 743,452,472.51/31,338.13
  6. Step 6: Final answer
    x = 23,723.57

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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.