Home / 19,975.44-29,945.34-8,281.20

Finding the Fourth Proportional to 19,975.44, 29,945.34 and 8,281.20

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Solution

The fourth proportional to 19,975.44, 29,945.34 and 8,281.20 is: 12,414.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.44 : 29,945.34 = 8,281.20 : x
  2. Step 2: Convert to fraction form
    19,975.44/29,945.34 = 8,281.20/x
  3. Step 3: Cross multiply
    19,975.44x = 29,945.34 × 8,281.20
  4. Step 4: Simplify right side
    19,975.44x = 247,983,349.61
  5. Step 5: Solve for x
    x = 247,983,349.61/19,975.44
  6. Step 6: Final answer
    x = 12,414.41

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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.