Home / 54,431.07-81,645.39-14,987.31

Finding the Fourth Proportional to 54,431.07, 81,645.39 and 14,987.31

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Solution

The fourth proportional to 54,431.07, 81,645.39 and 14,987.31 is: 22,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.07 : 81,645.39 = 14,987.31 : x
  2. Step 2: Convert to fraction form
    54,431.07/81,645.39 = 14,987.31/x
  3. Step 3: Cross multiply
    54,431.07x = 81,645.39 × 14,987.31
  4. Step 4: Simplify right side
    54,431.07x = 1,223,644,770.00
  5. Step 5: Solve for x
    x = 1,223,644,770.00/54,431.07
  6. Step 6: Final answer
    x = 22,480.63

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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.