Home / 38,984.80-58,481.77-13,676.57

Finding the Fourth Proportional to 38,984.80, 58,481.77 and 13,676.57

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Solution

The fourth proportional to 38,984.80, 58,481.77 and 13,676.57 is: 20,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,984.80 : 58,481.77 = 13,676.57 : x
  2. Step 2: Convert to fraction form
    38,984.80/58,481.77 = 13,676.57/x
  3. Step 3: Cross multiply
    38,984.80x = 58,481.77 × 13,676.57
  4. Step 4: Simplify right side
    38,984.80x = 799,830,133.14
  5. Step 5: Solve for x
    x = 799,830,133.14/38,984.80
  6. Step 6: Final answer
    x = 20,516.46

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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.