Home / 31,366.79-43,286.21-17,026.61

Finding the Fourth Proportional to 31,366.79, 43,286.21 and 17,026.61

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Solution

The fourth proportional to 31,366.79, 43,286.21 and 17,026.61 is: 23,496.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,366.79 : 43,286.21 = 17,026.61 : x
  2. Step 2: Convert to fraction form
    31,366.79/43,286.21 = 17,026.61/x
  3. Step 3: Cross multiply
    31,366.79x = 43,286.21 × 17,026.61
  4. Step 4: Simplify right side
    31,366.79x = 737,017,416.05
  5. Step 5: Solve for x
    x = 737,017,416.05/31,366.79
  6. Step 6: Final answer
    x = 23,496.74

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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.