Home / 54,317.70-81,480.60-19,252.80

Finding the Fourth Proportional to 54,317.70, 81,480.60 and 19,252.80

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Solution

The fourth proportional to 54,317.70, 81,480.60 and 19,252.80 is: 28,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,317.70 : 81,480.60 = 19,252.80 : x
  2. Step 2: Convert to fraction form
    54,317.70/81,480.60 = 19,252.80/x
  3. Step 3: Cross multiply
    54,317.70x = 81,480.60 × 19,252.80
  4. Step 4: Simplify right side
    54,317.70x = 1,568,729,695.68
  5. Step 5: Solve for x
    x = 1,568,729,695.68/54,317.70
  6. Step 6: Final answer
    x = 28,880.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.