Home / 39,249.38-58,869.97-20,521.84

Finding the Fourth Proportional to 39,249.38, 58,869.97 and 20,521.84

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Solution

The fourth proportional to 39,249.38, 58,869.97 and 20,521.84 is: 30,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,249.38 : 58,869.97 = 20,521.84 : x
  2. Step 2: Convert to fraction form
    39,249.38/58,869.97 = 20,521.84/x
  3. Step 3: Cross multiply
    39,249.38x = 58,869.97 × 20,521.84
  4. Step 4: Simplify right side
    39,249.38x = 1,208,120,105.14
  5. Step 5: Solve for x
    x = 1,208,120,105.14/39,249.38
  6. Step 6: Final answer
    x = 30,780.62

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1.5x scale

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.