Home / 54,842.20-82,270.21-18,825.67

Finding the Fourth Proportional to 54,842.20, 82,270.21 and 18,825.67

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Solution

The fourth proportional to 54,842.20, 82,270.21 and 18,825.67 is: 28,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,842.20 : 82,270.21 = 18,825.67 : x
  2. Step 2: Convert to fraction form
    54,842.20/82,270.21 = 18,825.67/x
  3. Step 3: Cross multiply
    54,842.20x = 82,270.21 × 18,825.67
  4. Step 4: Simplify right side
    54,842.20x = 1,548,791,858.18
  5. Step 5: Solve for x
    x = 1,548,791,858.18/54,842.20
  6. Step 6: Final answer
    x = 28,240.88

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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.