Home / 45,161.28-67,753.20-18,852.48

Finding the Fourth Proportional to 45,161.28, 67,753.20 and 18,852.48

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Solution

The fourth proportional to 45,161.28, 67,753.20 and 18,852.48 is: 28,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,161.28 : 67,753.20 = 18,852.48 : x
  2. Step 2: Convert to fraction form
    45,161.28/67,753.20 = 18,852.48/x
  3. Step 3: Cross multiply
    45,161.28x = 67,753.20 × 18,852.48
  4. Step 4: Simplify right side
    45,161.28x = 1,277,315,847.94
  5. Step 5: Solve for x
    x = 1,277,315,847.94/45,161.28
  6. Step 6: Final answer
    x = 28,283.43

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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.