Home / 53,274.20-79,919.96-19,996.88

Finding the Fourth Proportional to 53,274.20, 79,919.96 and 19,996.88

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Solution

The fourth proportional to 53,274.20, 79,919.96 and 19,996.88 is: 29,998.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,274.20 : 79,919.96 = 19,996.88 : x
  2. Step 2: Convert to fraction form
    53,274.20/79,919.96 = 19,996.88/x
  3. Step 3: Cross multiply
    53,274.20x = 79,919.96 × 19,996.88
  4. Step 4: Simplify right side
    53,274.20x = 1,598,149,350.14
  5. Step 5: Solve for x
    x = 1,598,149,350.14/53,274.20
  6. Step 6: Final answer
    x = 29,998.56

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1.5x scale

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.