Home / 45,542.43-68,305.91-12,255.07

Finding the Fourth Proportional to 45,542.43, 68,305.91 and 12,255.07

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Solution

The fourth proportional to 45,542.43, 68,305.91 and 12,255.07 is: 18,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,542.43 : 68,305.91 = 12,255.07 : x
  2. Step 2: Convert to fraction form
    45,542.43/68,305.91 = 12,255.07/x
  3. Step 3: Cross multiply
    45,542.43x = 68,305.91 × 12,255.07
  4. Step 4: Simplify right side
    45,542.43x = 837,093,708.46
  5. Step 5: Solve for x
    x = 837,093,708.46/45,542.43
  6. Step 6: Final answer
    x = 18,380.52

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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.