Home / 45,556.20-68,322.96-15,975

Finding the Fourth Proportional to 45,556.20, 68,322.96 and 15,975

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Solution

The fourth proportional to 45,556.20, 68,322.96 and 15,975 is: 23,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,556.20 : 68,322.96 = 15,975 : x
  2. Step 2: Convert to fraction form
    45,556.20/68,322.96 = 15,975/x
  3. Step 3: Cross multiply
    45,556.20x = 68,322.96 × 15,975
  4. Step 4: Simplify right side
    45,556.20x = 1,091,459,286
  5. Step 5: Solve for x
    x = 1,091,459,286/45,556.20
  6. Step 6: Final answer
    x = 23,958.52

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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.