Home / 31,342.89-43,253.94-17,195.73

Finding the Fourth Proportional to 31,342.89, 43,253.94 and 17,195.73

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Solution

The fourth proportional to 31,342.89, 43,253.94 and 17,195.73 is: 23,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,342.89 : 43,253.94 = 17,195.73 : x
  2. Step 2: Convert to fraction form
    31,342.89/43,253.94 = 17,195.73/x
  3. Step 3: Cross multiply
    31,342.89x = 43,253.94 × 17,195.73
  4. Step 4: Simplify right side
    31,342.89x = 743,783,146.34
  5. Step 5: Solve for x
    x = 743,783,146.34/31,342.89
  6. Step 6: Final answer
    x = 23,730.52

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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.