Home / 73,619.22-110,426.58-21,028.80

Finding the Fourth Proportional to 73,619.22, 110,426.58 and 21,028.80

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Solution

The fourth proportional to 73,619.22, 110,426.58 and 21,028.80 is: 31,542.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,619.22 : 110,426.58 = 21,028.80 : x
  2. Step 2: Convert to fraction form
    73,619.22/110,426.58 = 21,028.80/x
  3. Step 3: Cross multiply
    73,619.22x = 110,426.58 × 21,028.80
  4. Step 4: Simplify right side
    73,619.22x = 2,322,138,465.50
  5. Step 5: Solve for x
    x = 2,322,138,465.50/73,619.22
  6. Step 6: Final answer
    x = 31,542.56

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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.