Home / 53,425.88-80,143.44-13,982.96

Finding the Fourth Proportional to 53,425.88, 80,143.44 and 13,982.96

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Solution

The fourth proportional to 53,425.88, 80,143.44 and 13,982.96 is: 20,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,425.88 : 80,143.44 = 13,982.96 : x
  2. Step 2: Convert to fraction form
    53,425.88/80,143.44 = 13,982.96/x
  3. Step 3: Cross multiply
    53,425.88x = 80,143.44 × 13,982.96
  4. Step 4: Simplify right side
    53,425.88x = 1,120,642,515.78
  5. Step 5: Solve for x
    x = 1,120,642,515.78/53,425.88
  6. Step 6: Final answer
    x = 20,975.65

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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.