Home / 54,698.07-82,014.26-21,378.44

Finding the Fourth Proportional to 54,698.07, 82,014.26 and 21,378.44

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Solution

The fourth proportional to 54,698.07, 82,014.26 and 21,378.44 is: 32,054.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,698.07 : 82,014.26 = 21,378.44 : x
  2. Step 2: Convert to fraction form
    54,698.07/82,014.26 = 21,378.44/x
  3. Step 3: Cross multiply
    54,698.07x = 82,014.26 × 21,378.44
  4. Step 4: Simplify right side
    54,698.07x = 1,753,336,419.59
  5. Step 5: Solve for x
    x = 1,753,336,419.59/54,698.07
  6. Step 6: Final answer
    x = 32,054.81

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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.