Home / 31,291.24-43,180.26-17,861.96

Finding the Fourth Proportional to 31,291.24, 43,180.26 and 17,861.96

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Solution

The fourth proportional to 31,291.24, 43,180.26 and 17,861.96 is: 24,648.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,291.24 : 43,180.26 = 17,861.96 : x
  2. Step 2: Convert to fraction form
    31,291.24/43,180.26 = 17,861.96/x
  3. Step 3: Cross multiply
    31,291.24x = 43,180.26 × 17,861.96
  4. Step 4: Simplify right side
    31,291.24x = 771,284,076.91
  5. Step 5: Solve for x
    x = 771,284,076.91/31,291.24
  6. Step 6: Final answer
    x = 24,648.56

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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.