Home / 39,101.96-58,647-12,806.12

Finding the Fourth Proportional to 39,101.96, 58,647 and 12,806.12

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Solution

The fourth proportional to 39,101.96, 58,647 and 12,806.12 is: 19,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,101.96 : 58,647 = 12,806.12 : x
  2. Step 2: Convert to fraction form
    39,101.96/58,647 = 12,806.12/x
  3. Step 3: Cross multiply
    39,101.96x = 58,647 × 12,806.12
  4. Step 4: Simplify right side
    39,101.96x = 751,040,519.64
  5. Step 5: Solve for x
    x = 751,040,519.64/39,101.96
  6. Step 6: Final answer
    x = 19,207.23

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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.