Home / 54,229.27-74,840.66-39,954.37

Finding the Fourth Proportional to 54,229.27, 74,840.66 and 39,954.37

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Solution

The fourth proportional to 54,229.27, 74,840.66 and 39,954.37 is: 55,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,229.27 : 74,840.66 = 39,954.37 : x
  2. Step 2: Convert to fraction form
    54,229.27/74,840.66 = 39,954.37/x
  3. Step 3: Cross multiply
    54,229.27x = 74,840.66 × 39,954.37
  4. Step 4: Simplify right side
    54,229.27x = 2,990,211,420.68
  5. Step 5: Solve for x
    x = 2,990,211,420.68/54,229.27
  6. Step 6: Final answer
    x = 55,140.17

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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.