Home / 31,254.66-43,086.51-22,286.61

Finding the Fourth Proportional to 31,254.66, 43,086.51 and 22,286.61

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Solution

The fourth proportional to 31,254.66, 43,086.51 and 22,286.61 is: 30,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.66 : 43,086.51 = 22,286.61 : x
  2. Step 2: Convert to fraction form
    31,254.66/43,086.51 = 22,286.61/x
  3. Step 3: Cross multiply
    31,254.66x = 43,086.51 × 22,286.61
  4. Step 4: Simplify right side
    31,254.66x = 960,252,244.63
  5. Step 5: Solve for x
    x = 960,252,244.63/31,254.66
  6. Step 6: Final answer
    x = 30,723.49

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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.