Home / 55,052.54-75,977.20-31,183.46

Finding the Fourth Proportional to 55,052.54, 75,977.20 and 31,183.46

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Solution

The fourth proportional to 55,052.54, 75,977.20 and 31,183.46 is: 43,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,052.54 : 75,977.20 = 31,183.46 : x
  2. Step 2: Convert to fraction form
    55,052.54/75,977.20 = 31,183.46/x
  3. Step 3: Cross multiply
    55,052.54x = 75,977.20 × 31,183.46
  4. Step 4: Simplify right side
    55,052.54x = 2,369,231,977.11
  5. Step 5: Solve for x
    x = 2,369,231,977.11/55,052.54
  6. Step 6: Final answer
    x = 43,035.83

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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.