Home / 43,067.74-64,602.11-11,477.62

Finding the Fourth Proportional to 43,067.74, 64,602.11 and 11,477.62

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Solution

The fourth proportional to 43,067.74, 64,602.11 and 11,477.62 is: 17,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,067.74 : 64,602.11 = 11,477.62 : x
  2. Step 2: Convert to fraction form
    43,067.74/64,602.11 = 11,477.62/x
  3. Step 3: Cross multiply
    43,067.74x = 64,602.11 × 11,477.62
  4. Step 4: Simplify right side
    43,067.74x = 741,478,469.78
  5. Step 5: Solve for x
    x = 741,478,469.78/43,067.74
  6. Step 6: Final answer
    x = 17,216.56

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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.