Home / 54,474.86-75,181.34-31,819.46

Finding the Fourth Proportional to 54,474.86, 75,181.34 and 31,819.46

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Solution

The fourth proportional to 54,474.86, 75,181.34 and 31,819.46 is: 43,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,474.86 : 75,181.34 = 31,819.46 : x
  2. Step 2: Convert to fraction form
    54,474.86/75,181.34 = 31,819.46/x
  3. Step 3: Cross multiply
    54,474.86x = 75,181.34 × 31,819.46
  4. Step 4: Simplify right side
    54,474.86x = 2,392,229,344.52
  5. Step 5: Solve for x
    x = 2,392,229,344.52/54,474.86
  6. Step 6: Final answer
    x = 43,914.37

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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.