Home / 31,865.66-43,974.34-17,718.38

Finding the Fourth Proportional to 31,865.66, 43,974.34 and 17,718.38

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Solution

The fourth proportional to 31,865.66, 43,974.34 and 17,718.38 is: 24,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865.66 : 43,974.34 = 17,718.38 : x
  2. Step 2: Convert to fraction form
    31,865.66/43,974.34 = 17,718.38/x
  3. Step 3: Cross multiply
    31,865.66x = 43,974.34 × 17,718.38
  4. Step 4: Simplify right side
    31,865.66x = 779,153,757.91
  5. Step 5: Solve for x
    x = 779,153,757.91/31,865.66
  6. Step 6: Final answer
    x = 24,451.21

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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.