Home / 31,394.10-43,324.66-17,247.30

Finding the Fourth Proportional to 31,394.10, 43,324.66 and 17,247.30

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Solution

The fourth proportional to 31,394.10, 43,324.66 and 17,247.30 is: 23,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,394.10 : 43,324.66 = 17,247.30 : x
  2. Step 2: Convert to fraction form
    31,394.10/43,324.66 = 17,247.30/x
  3. Step 3: Cross multiply
    31,394.10x = 43,324.66 × 17,247.30
  4. Step 4: Simplify right side
    31,394.10x = 747,233,408.42
  5. Step 5: Solve for x
    x = 747,233,408.42/31,394.10
  6. Step 6: Final answer
    x = 23,801.71

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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.