Home / 31,761.36-43,832.76-17,615.76

Finding the Fourth Proportional to 31,761.36, 43,832.76 and 17,615.76

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Solution

The fourth proportional to 31,761.36, 43,832.76 and 17,615.76 is: 24,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,761.36 : 43,832.76 = 17,615.76 : x
  2. Step 2: Convert to fraction form
    31,761.36/43,832.76 = 17,615.76/x
  3. Step 3: Cross multiply
    31,761.36x = 43,832.76 × 17,615.76
  4. Step 4: Simplify right side
    31,761.36x = 772,147,380.30
  5. Step 5: Solve for x
    x = 772,147,380.30/31,761.36
  6. Step 6: Final answer
    x = 24,310.90

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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.