Home / 31,836.73-43,922.11-18,405.52

Finding the Fourth Proportional to 31,836.73, 43,922.11 and 18,405.52

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Solution

The fourth proportional to 31,836.73, 43,922.11 and 18,405.52 is: 25,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.73 : 43,922.11 = 18,405.52 : x
  2. Step 2: Convert to fraction form
    31,836.73/43,922.11 = 18,405.52/x
  3. Step 3: Cross multiply
    31,836.73x = 43,922.11 × 18,405.52
  4. Step 4: Simplify right side
    31,836.73x = 808,409,274.05
  5. Step 5: Solve for x
    x = 808,409,274.05/31,836.73
  6. Step 6: Final answer
    x = 25,392.35

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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.