Home / 54,350.10-81,415.80-30,949.20

Finding the Fourth Proportional to 54,350.10, 81,415.80 and 30,949.20

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Solution

The fourth proportional to 54,350.10, 81,415.80 and 30,949.20 is: 46,361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,350.10 : 81,415.80 = 30,949.20 : x
  2. Step 2: Convert to fraction form
    54,350.10/81,415.80 = 30,949.20/x
  3. Step 3: Cross multiply
    54,350.10x = 81,415.80 × 30,949.20
  4. Step 4: Simplify right side
    54,350.10x = 2,519,753,877.36
  5. Step 5: Solve for x
    x = 2,519,753,877.36/54,350.10
  6. Step 6: Final answer
    x = 46,361.53

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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.