Home / 39,986.58-60,016.14-21,282.36

Finding the Fourth Proportional to 39,986.58, 60,016.14 and 21,282.36

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Solution

The fourth proportional to 39,986.58, 60,016.14 and 21,282.36 is: 31,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.58 : 60,016.14 = 21,282.36 : x
  2. Step 2: Convert to fraction form
    39,986.58/60,016.14 = 21,282.36/x
  3. Step 3: Cross multiply
    39,986.58x = 60,016.14 × 21,282.36
  4. Step 4: Simplify right side
    39,986.58x = 1,277,285,097.29
  5. Step 5: Solve for x
    x = 1,277,285,097.29/39,986.58
  6. Step 6: Final answer
    x = 31,942.84

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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.