Home / 33,195.68-45,812.30-20,280.48

Finding the Fourth Proportional to 33,195.68, 45,812.30 and 20,280.48

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Solution

The fourth proportional to 33,195.68, 45,812.30 and 20,280.48 is: 27,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,195.68 : 45,812.30 = 20,280.48 : x
  2. Step 2: Convert to fraction form
    33,195.68/45,812.30 = 20,280.48/x
  3. Step 3: Cross multiply
    33,195.68x = 45,812.30 × 20,280.48
  4. Step 4: Simplify right side
    33,195.68x = 929,095,433.90
  5. Step 5: Solve for x
    x = 929,095,433.90/33,195.68
  6. Step 6: Final answer
    x = 27,988.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.