Home / 39,850.92-59,813.33-20,143.35

Finding the Fourth Proportional to 39,850.92, 59,813.33 and 20,143.35

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Solution

The fourth proportional to 39,850.92, 59,813.33 and 20,143.35 is: 30,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,850.92 : 59,813.33 = 20,143.35 : x
  2. Step 2: Convert to fraction form
    39,850.92/59,813.33 = 20,143.35/x
  3. Step 3: Cross multiply
    39,850.92x = 59,813.33 × 20,143.35
  4. Step 4: Simplify right side
    39,850.92x = 1,204,840,740.14
  5. Step 5: Solve for x
    x = 1,204,840,740.14/39,850.92
  6. Step 6: Final answer
    x = 30,233.70

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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.