Home / 31,282.86-43,169.92-17,861.97

Finding the Fourth Proportional to 31,282.86, 43,169.92 and 17,861.97

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Solution

The fourth proportional to 31,282.86, 43,169.92 and 17,861.97 is: 24,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.86 : 43,169.92 = 17,861.97 : x
  2. Step 2: Convert to fraction form
    31,282.86/43,169.92 = 17,861.97/x
  3. Step 3: Cross multiply
    31,282.86x = 43,169.92 × 17,861.97
  4. Step 4: Simplify right side
    31,282.86x = 771,099,771.29
  5. Step 5: Solve for x
    x = 771,099,771.29/31,282.86
  6. Step 6: Final answer
    x = 24,649.27

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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.