Home / 54,015.30-80,954.10-30,322.80

Finding the Fourth Proportional to 54,015.30, 80,954.10 and 30,322.80

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Solution

The fourth proportional to 54,015.30, 80,954.10 and 30,322.80 is: 45,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,015.30 : 80,954.10 = 30,322.80 : x
  2. Step 2: Convert to fraction form
    54,015.30/80,954.10 = 30,322.80/x
  3. Step 3: Cross multiply
    54,015.30x = 80,954.10 × 30,322.80
  4. Step 4: Simplify right side
    54,015.30x = 2,454,754,983.48
  5. Step 5: Solve for x
    x = 2,454,754,983.48/54,015.30
  6. Step 6: Final answer
    x = 45,445.55

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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.