Home / 31,474.26-43,434.21-17,864.88

Finding the Fourth Proportional to 31,474.26, 43,434.21 and 17,864.88

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Solution

The fourth proportional to 31,474.26, 43,434.21 and 17,864.88 is: 24,653.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.26 : 43,434.21 = 17,864.88 : x
  2. Step 2: Convert to fraction form
    31,474.26/43,434.21 = 17,864.88/x
  3. Step 3: Cross multiply
    31,474.26x = 43,434.21 × 17,864.88
  4. Step 4: Simplify right side
    31,474.26x = 775,946,949.54
  5. Step 5: Solve for x
    x = 775,946,949.54/31,474.26
  6. Step 6: Final answer
    x = 24,653.38

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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.