Home / 54,080.32-81,107.96-14,640.48

Finding the Fourth Proportional to 54,080.32, 81,107.96 and 14,640.48

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Solution

The fourth proportional to 54,080.32, 81,107.96 and 14,640.48 is: 21,957.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,080.32 : 81,107.96 = 14,640.48 : x
  2. Step 2: Convert to fraction form
    54,080.32/81,107.96 = 14,640.48/x
  3. Step 3: Cross multiply
    54,080.32x = 81,107.96 × 14,640.48
  4. Step 4: Simplify right side
    54,080.32x = 1,187,459,466.22
  5. Step 5: Solve for x
    x = 1,187,459,466.22/54,080.32
  6. Step 6: Final answer
    x = 21,957.33

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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.