Home / 54,411.40-81,617.10-30,694.60

Finding the Fourth Proportional to 54,411.40, 81,617.10 and 30,694.60

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Solution

The fourth proportional to 54,411.40, 81,617.10 and 30,694.60 is: 46,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,411.40 : 81,617.10 = 30,694.60 : x
  2. Step 2: Convert to fraction form
    54,411.40/81,617.10 = 30,694.60/x
  3. Step 3: Cross multiply
    54,411.40x = 81,617.10 × 30,694.60
  4. Step 4: Simplify right side
    54,411.40x = 2,505,204,237.66
  5. Step 5: Solve for x
    x = 2,505,204,237.66/54,411.40
  6. Step 6: Final answer
    x = 46,041.90

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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.