Home / 31,369.20-43,286.04-17,944.08

Finding the Fourth Proportional to 31,369.20, 43,286.04 and 17,944.08

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Solution

The fourth proportional to 31,369.20, 43,286.04 and 17,944.08 is: 24,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,369.20 : 43,286.04 = 17,944.08 : x
  2. Step 2: Convert to fraction form
    31,369.20/43,286.04 = 17,944.08/x
  3. Step 3: Cross multiply
    31,369.20x = 43,286.04 × 17,944.08
  4. Step 4: Simplify right side
    31,369.20x = 776,728,164.64
  5. Step 5: Solve for x
    x = 776,728,164.64/31,369.20
  6. Step 6: Final answer
    x = 24,760.85

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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.