Home / 31,659.24-43,690.50-17,512.36

Finding the Fourth Proportional to 31,659.24, 43,690.50 and 17,512.36

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Solution

The fourth proportional to 31,659.24, 43,690.50 and 17,512.36 is: 24,167.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,659.24 : 43,690.50 = 17,512.36 : x
  2. Step 2: Convert to fraction form
    31,659.24/43,690.50 = 17,512.36/x
  3. Step 3: Cross multiply
    31,659.24x = 43,690.50 × 17,512.36
  4. Step 4: Simplify right side
    31,659.24x = 765,123,764.58
  5. Step 5: Solve for x
    x = 765,123,764.58/31,659.24
  6. Step 6: Final answer
    x = 24,167.47

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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.