Home / 51,705.45-71,360.24-31,558.14

Finding the Fourth Proportional to 51,705.45, 71,360.24 and 31,558.14

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Solution

The fourth proportional to 51,705.45, 71,360.24 and 31,558.14 is: 43,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,705.45 : 71,360.24 = 31,558.14 : x
  2. Step 2: Convert to fraction form
    51,705.45/71,360.24 = 31,558.14/x
  3. Step 3: Cross multiply
    51,705.45x = 71,360.24 × 31,558.14
  4. Step 4: Simplify right side
    51,705.45x = 2,251,996,286.56
  5. Step 5: Solve for x
    x = 2,251,996,286.56/51,705.45
  6. Step 6: Final answer
    x = 43,554.33

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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.