Home / 53,273.22-79,889.04-19,975.12

Finding the Fourth Proportional to 53,273.22, 79,889.04 and 19,975.12

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Solution

The fourth proportional to 53,273.22, 79,889.04 and 19,975.12 is: 29,954.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,273.22 : 79,889.04 = 19,975.12 : x
  2. Step 2: Convert to fraction form
    53,273.22/79,889.04 = 19,975.12/x
  3. Step 3: Cross multiply
    53,273.22x = 79,889.04 × 19,975.12
  4. Step 4: Simplify right side
    53,273.22x = 1,595,793,160.68
  5. Step 5: Solve for x
    x = 1,595,793,160.68/53,273.22
  6. Step 6: Final answer
    x = 29,954.88

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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.