Home / 39,596.66-54,643.39-21,691.28

Finding the Fourth Proportional to 39,596.66, 54,643.39 and 21,691.28

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Solution

The fourth proportional to 39,596.66, 54,643.39 and 21,691.28 is: 29,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,596.66 : 54,643.39 = 21,691.28 : x
  2. Step 2: Convert to fraction form
    39,596.66/54,643.39 = 21,691.28/x
  3. Step 3: Cross multiply
    39,596.66x = 54,643.39 × 21,691.28
  4. Step 4: Simplify right side
    39,596.66x = 1,185,285,154.44
  5. Step 5: Solve for x
    x = 1,185,285,154.44/39,596.66
  6. Step 6: Final answer
    x = 29,933.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.