Home / 31,654.64-43,684.44-18,230.24

Finding the Fourth Proportional to 31,654.64, 43,684.44 and 18,230.24

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Solution

The fourth proportional to 31,654.64, 43,684.44 and 18,230.24 is: 25,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654.64 : 43,684.44 = 18,230.24 : x
  2. Step 2: Convert to fraction form
    31,654.64/43,684.44 = 18,230.24/x
  3. Step 3: Cross multiply
    31,654.64x = 43,684.44 × 18,230.24
  4. Step 4: Simplify right side
    31,654.64x = 796,377,825.47
  5. Step 5: Solve for x
    x = 796,377,825.47/31,654.64
  6. Step 6: Final answer
    x = 25,158.33

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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.