Home / 63,568.26-87,741.21-39,680.55

Finding the Fourth Proportional to 63,568.26, 87,741.21 and 39,680.55

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Solution

The fourth proportional to 63,568.26, 87,741.21 and 39,680.55 is: 54,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,568.26 : 87,741.21 = 39,680.55 : x
  2. Step 2: Convert to fraction form
    63,568.26/87,741.21 = 39,680.55/x
  3. Step 3: Cross multiply
    63,568.26x = 87,741.21 × 39,680.55
  4. Step 4: Simplify right side
    63,568.26x = 3,481,619,031.76
  5. Step 5: Solve for x
    x = 3,481,619,031.76/63,568.26
  6. Step 6: Final answer
    x = 54,769.78

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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.