Home / 54,183.56-74,778.94-31,214.16

Finding the Fourth Proportional to 54,183.56, 74,778.94 and 31,214.16

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Solution

The fourth proportional to 54,183.56, 74,778.94 and 31,214.16 is: 43,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,183.56 : 74,778.94 = 31,214.16 : x
  2. Step 2: Convert to fraction form
    54,183.56/74,778.94 = 31,214.16/x
  3. Step 3: Cross multiply
    54,183.56x = 74,778.94 × 31,214.16
  4. Step 4: Simplify right side
    54,183.56x = 2,334,161,797.79
  5. Step 5: Solve for x
    x = 2,334,161,797.79/54,183.56
  6. Step 6: Final answer
    x = 43,078.78

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1.5x scale

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.