Home / 31,857.52-43,964.51-17,518.44

Finding the Fourth Proportional to 31,857.52, 43,964.51 and 17,518.44

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Solution

The fourth proportional to 31,857.52, 43,964.51 and 17,518.44 is: 24,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,857.52 : 43,964.51 = 17,518.44 : x
  2. Step 2: Convert to fraction form
    31,857.52/43,964.51 = 17,518.44/x
  3. Step 3: Cross multiply
    31,857.52x = 43,964.51 × 17,518.44
  4. Step 4: Simplify right side
    31,857.52x = 770,189,630.56
  5. Step 5: Solve for x
    x = 770,189,630.56/31,857.52
  6. Step 6: Final answer
    x = 24,176.07

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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.