Home / 31,251.30-43,126.47-17,822.21

Finding the Fourth Proportional to 31,251.30, 43,126.47 and 17,822.21

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Solution

The fourth proportional to 31,251.30, 43,126.47 and 17,822.21 is: 24,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.30 : 43,126.47 = 17,822.21 : x
  2. Step 2: Convert to fraction form
    31,251.30/43,126.47 = 17,822.21/x
  3. Step 3: Cross multiply
    31,251.30x = 43,126.47 × 17,822.21
  4. Step 4: Simplify right side
    31,251.30x = 768,608,789.27
  5. Step 5: Solve for x
    x = 768,608,789.27/31,251.30
  6. Step 6: Final answer
    x = 24,594.46

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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.