Home / 54,112.26-81,168.12-14,669.31

Finding the Fourth Proportional to 54,112.26, 81,168.12 and 14,669.31

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Solution

The fourth proportional to 54,112.26, 81,168.12 and 14,669.31 is: 22,003.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112.26 : 81,168.12 = 14,669.31 : x
  2. Step 2: Convert to fraction form
    54,112.26/81,168.12 = 14,669.31/x
  3. Step 3: Cross multiply
    54,112.26x = 81,168.12 × 14,669.31
  4. Step 4: Simplify right side
    54,112.26x = 1,190,680,314.40
  5. Step 5: Solve for x
    x = 1,190,680,314.40/54,112.26
  6. Step 6: Final answer
    x = 22,003.89

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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.