Home / 36,984.89-51,039.33-20,217.89

Finding the Fourth Proportional to 36,984.89, 51,039.33 and 20,217.89

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Solution

The fourth proportional to 36,984.89, 51,039.33 and 20,217.89 is: 27,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,984.89 : 51,039.33 = 20,217.89 : x
  2. Step 2: Convert to fraction form
    36,984.89/51,039.33 = 20,217.89/x
  3. Step 3: Cross multiply
    36,984.89x = 51,039.33 × 20,217.89
  4. Step 4: Simplify right side
    36,984.89x = 1,031,907,559.61
  5. Step 5: Solve for x
    x = 1,031,907,559.61/36,984.89
  6. Step 6: Final answer
    x = 27,900.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.