Home / 20,054.48-30,072.36-7,564.88

Finding the Fourth Proportional to 20,054.48, 30,072.36 and 7,564.88

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Solution

The fourth proportional to 20,054.48, 30,072.36 and 7,564.88 is: 11,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.48 : 30,072.36 = 7,564.88 : x
  2. Step 2: Convert to fraction form
    20,054.48/30,072.36 = 7,564.88/x
  3. Step 3: Cross multiply
    20,054.48x = 30,072.36 × 7,564.88
  4. Step 4: Simplify right side
    20,054.48x = 227,493,794.72
  5. Step 5: Solve for x
    x = 227,493,794.72/20,054.48
  6. Step 6: Final answer
    x = 11,343.79

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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.