Home / 30,524.22-45,771.69-12,984.54

Finding the Fourth Proportional to 30,524.22, 45,771.69 and 12,984.54

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Solution

The fourth proportional to 30,524.22, 45,771.69 and 12,984.54 is: 19,470.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,524.22 : 45,771.69 = 12,984.54 : x
  2. Step 2: Convert to fraction form
    30,524.22/45,771.69 = 12,984.54/x
  3. Step 3: Cross multiply
    30,524.22x = 45,771.69 × 12,984.54
  4. Step 4: Simplify right side
    30,524.22x = 594,324,339.67
  5. Step 5: Solve for x
    x = 594,324,339.67/30,524.22
  6. Step 6: Final answer
    x = 19,470.58

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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.