Home / 54,280.44-74,912.58-31,311.16

Finding the Fourth Proportional to 54,280.44, 74,912.58 and 31,311.16

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Solution

The fourth proportional to 54,280.44, 74,912.58 and 31,311.16 is: 43,212.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,280.44 : 74,912.58 = 31,311.16 : x
  2. Step 2: Convert to fraction form
    54,280.44/74,912.58 = 31,311.16/x
  3. Step 3: Cross multiply
    54,280.44x = 74,912.58 × 31,311.16
  4. Step 4: Simplify right side
    54,280.44x = 2,345,599,778.39
  5. Step 5: Solve for x
    x = 2,345,599,778.39/54,280.44
  6. Step 6: Final answer
    x = 43,212.62

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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.