Home / 73,518.36-110,268.77-20,215.75

Finding the Fourth Proportional to 73,518.36, 110,268.77 and 20,215.75

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Solution

The fourth proportional to 73,518.36, 110,268.77 and 20,215.75 is: 30,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,518.36 : 110,268.77 = 20,215.75 : x
  2. Step 2: Convert to fraction form
    73,518.36/110,268.77 = 20,215.75/x
  3. Step 3: Cross multiply
    73,518.36x = 110,268.77 × 20,215.75
  4. Step 4: Simplify right side
    73,518.36x = 2,229,166,212.05
  5. Step 5: Solve for x
    x = 2,229,166,212.05/73,518.36
  6. Step 6: Final answer
    x = 30,321.22

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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.