Home / 30,168.44-45,255.30-11,193.29

Finding the Fourth Proportional to 30,168.44, 45,255.30 and 11,193.29

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Solution

The fourth proportional to 30,168.44, 45,255.30 and 11,193.29 is: 16,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.44 : 45,255.30 = 11,193.29 : x
  2. Step 2: Convert to fraction form
    30,168.44/45,255.30 = 11,193.29/x
  3. Step 3: Cross multiply
    30,168.44x = 45,255.30 × 11,193.29
  4. Step 4: Simplify right side
    30,168.44x = 506,555,470.66
  5. Step 5: Solve for x
    x = 506,555,470.66/30,168.44
  6. Step 6: Final answer
    x = 16,790.91

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1.5x scale

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.