Home / 54,012.44-81,054.20-18,951.19

Finding the Fourth Proportional to 54,012.44, 81,054.20 and 18,951.19

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Solution

The fourth proportional to 54,012.44, 81,054.20 and 18,951.19 is: 28,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,012.44 : 81,054.20 = 18,951.19 : x
  2. Step 2: Convert to fraction form
    54,012.44/81,054.20 = 18,951.19/x
  3. Step 3: Cross multiply
    54,012.44x = 81,054.20 × 18,951.19
  4. Step 4: Simplify right side
    54,012.44x = 1,536,073,389.24
  5. Step 5: Solve for x
    x = 1,536,073,389.24/54,012.44
  6. Step 6: Final answer
    x = 28,439.25

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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.