Home / 31,765.20-43,832.88-17,617.74

Finding the Fourth Proportional to 31,765.20, 43,832.88 and 17,617.74

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Solution

The fourth proportional to 31,765.20, 43,832.88 and 17,617.74 is: 24,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,765.20 : 43,832.88 = 17,617.74 : x
  2. Step 2: Convert to fraction form
    31,765.20/43,832.88 = 17,617.74/x
  3. Step 3: Cross multiply
    31,765.20x = 43,832.88 × 17,617.74
  4. Step 4: Simplify right side
    31,765.20x = 772,236,283.29
  5. Step 5: Solve for x
    x = 772,236,283.29/31,765.20
  6. Step 6: Final answer
    x = 24,310.76

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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.