Home / 57,021.37-78,694.34-33,146.48

Finding the Fourth Proportional to 57,021.37, 78,694.34 and 33,146.48

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Solution

The fourth proportional to 57,021.37, 78,694.34 and 33,146.48 is: 45,744.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021.37 : 78,694.34 = 33,146.48 : x
  2. Step 2: Convert to fraction form
    57,021.37/78,694.34 = 33,146.48/x
  3. Step 3: Cross multiply
    57,021.37x = 78,694.34 × 33,146.48
  4. Step 4: Simplify right side
    57,021.37x = 2,608,440,397.93
  5. Step 5: Solve for x
    x = 2,608,440,397.93/57,021.37
  6. Step 6: Final answer
    x = 45,744.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.