Home / 53,119.62-79,679.49-13,676.82

Finding the Fourth Proportional to 53,119.62, 79,679.49 and 13,676.82

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Solution

The fourth proportional to 53,119.62, 79,679.49 and 13,676.82 is: 20,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,119.62 : 79,679.49 = 13,676.82 : x
  2. Step 2: Convert to fraction form
    53,119.62/79,679.49 = 13,676.82/x
  3. Step 3: Cross multiply
    53,119.62x = 79,679.49 × 13,676.82
  4. Step 4: Simplify right side
    53,119.62x = 1,089,762,042.42
  5. Step 5: Solve for x
    x = 1,089,762,042.42/53,119.62
  6. Step 6: Final answer
    x = 20,515.25

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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.