Home / 54,080.46-81,120.69-19,020.42

Finding the Fourth Proportional to 54,080.46, 81,120.69 and 19,020.42

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Solution

The fourth proportional to 54,080.46, 81,120.69 and 19,020.42 is: 28,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,080.46 : 81,120.69 = 19,020.42 : x
  2. Step 2: Convert to fraction form
    54,080.46/81,120.69 = 19,020.42/x
  3. Step 3: Cross multiply
    54,080.46x = 81,120.69 × 19,020.42
  4. Step 4: Simplify right side
    54,080.46x = 1,542,949,594.49
  5. Step 5: Solve for x
    x = 1,542,949,594.49/54,080.46
  6. Step 6: Final answer
    x = 28,530.63

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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.