Home / 39,289.33-58,914.51-20,568.61

Finding the Fourth Proportional to 39,289.33, 58,914.51 and 20,568.61

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Solution

The fourth proportional to 39,289.33, 58,914.51 and 20,568.61 is: 30,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,289.33 : 58,914.51 = 20,568.61 : x
  2. Step 2: Convert to fraction form
    39,289.33/58,914.51 = 20,568.61/x
  3. Step 3: Cross multiply
    39,289.33x = 58,914.51 × 20,568.61
  4. Step 4: Simplify right side
    39,289.33x = 1,211,789,579.53
  5. Step 5: Solve for x
    x = 1,211,789,579.53/39,289.33
  6. Step 6: Final answer
    x = 30,842.71

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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.