Home / 63,564.26-87,735.69-39,676.55

Finding the Fourth Proportional to 63,564.26, 87,735.69 and 39,676.55

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Solution

The fourth proportional to 63,564.26, 87,735.69 and 39,676.55 is: 54,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,564.26 : 87,735.69 = 39,676.55 : x
  2. Step 2: Convert to fraction form
    63,564.26/87,735.69 = 39,676.55/x
  3. Step 3: Cross multiply
    63,564.26x = 87,735.69 × 39,676.55
  4. Step 4: Simplify right side
    63,564.26x = 3,481,049,052.39
  5. Step 5: Solve for x
    x = 3,481,049,052.39/63,564.26
  6. Step 6: Final answer
    x = 54,764.25

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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.