Home / 31,202.82-43,056.50-18,456.46

Finding the Fourth Proportional to 31,202.82, 43,056.50 and 18,456.46

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Solution

The fourth proportional to 31,202.82, 43,056.50 and 18,456.46 is: 25,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,202.82 : 43,056.50 = 18,456.46 : x
  2. Step 2: Convert to fraction form
    31,202.82/43,056.50 = 18,456.46/x
  3. Step 3: Cross multiply
    31,202.82x = 43,056.50 × 18,456.46
  4. Step 4: Simplify right side
    31,202.82x = 794,670,370.07
  5. Step 5: Solve for x
    x = 794,670,370.07/31,202.82
  6. Step 6: Final answer
    x = 25,467.90

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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.