Home / 20,063.09-30,078.21-7,576.03

Finding the Fourth Proportional to 20,063.09, 30,078.21 and 7,576.03

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Solution

The fourth proportional to 20,063.09, 30,078.21 and 7,576.03 is: 11,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.09 : 30,078.21 = 7,576.03 : x
  2. Step 2: Convert to fraction form
    20,063.09/30,078.21 = 7,576.03/x
  3. Step 3: Cross multiply
    20,063.09x = 30,078.21 × 7,576.03
  4. Step 4: Simplify right side
    20,063.09x = 227,873,421.31
  5. Step 5: Solve for x
    x = 227,873,421.31/20,063.09
  6. Step 6: Final answer
    x = 11,357.84

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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.