Home / 31,269.38-43,151.74-17,122.25

Finding the Fourth Proportional to 31,269.38, 43,151.74 and 17,122.25

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Solution

The fourth proportional to 31,269.38, 43,151.74 and 17,122.25 is: 23,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.38 : 43,151.74 = 17,122.25 : x
  2. Step 2: Convert to fraction form
    31,269.38/43,151.74 = 17,122.25/x
  3. Step 3: Cross multiply
    31,269.38x = 43,151.74 × 17,122.25
  4. Step 4: Simplify right side
    31,269.38x = 738,854,945.29
  5. Step 5: Solve for x
    x = 738,854,945.29/31,269.38
  6. Step 6: Final answer
    x = 23,628.71

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1.5x scale

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.