Home / 37,168.38-51,292.71-20,172.60

Finding the Fourth Proportional to 37,168.38, 51,292.71 and 20,172.60

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Solution

The fourth proportional to 37,168.38, 51,292.71 and 20,172.60 is: 27,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,168.38 : 51,292.71 = 20,172.60 : x
  2. Step 2: Convert to fraction form
    37,168.38/51,292.71 = 20,172.60/x
  3. Step 3: Cross multiply
    37,168.38x = 51,292.71 × 20,172.60
  4. Step 4: Simplify right side
    37,168.38x = 1,034,707,321.75
  5. Step 5: Solve for x
    x = 1,034,707,321.75/37,168.38
  6. Step 6: Final answer
    x = 27,838.38

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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.