Home / 33,358.92-49,986.54-21,021

Finding the Fourth Proportional to 33,358.92, 49,986.54 and 21,021

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Solution

The fourth proportional to 33,358.92, 49,986.54 and 21,021 is: 31,498.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,358.92 : 49,986.54 = 21,021 : x
  2. Step 2: Convert to fraction form
    33,358.92/49,986.54 = 21,021/x
  3. Step 3: Cross multiply
    33,358.92x = 49,986.54 × 21,021
  4. Step 4: Simplify right side
    33,358.92x = 1,050,767,057.34
  5. Step 5: Solve for x
    x = 1,050,767,057.34/33,358.92
  6. Step 6: Final answer
    x = 31,498.83

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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.