Home / 55,835.20-77,059.23-31,969.54

Finding the Fourth Proportional to 55,835.20, 77,059.23 and 31,969.54

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Solution

The fourth proportional to 55,835.20, 77,059.23 and 31,969.54 is: 44,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,835.20 : 77,059.23 = 31,969.54 : x
  2. Step 2: Convert to fraction form
    55,835.20/77,059.23 = 31,969.54/x
  3. Step 3: Cross multiply
    55,835.20x = 77,059.23 × 31,969.54
  4. Step 4: Simplify right side
    55,835.20x = 2,463,548,135.85
  5. Step 5: Solve for x
    x = 2,463,548,135.85/55,835.20
  6. Step 6: Final answer
    x = 44,121.78

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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.