Home / 37,636.92-51,938.46-20,640.60

Finding the Fourth Proportional to 37,636.92, 51,938.46 and 20,640.60

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Solution

The fourth proportional to 37,636.92, 51,938.46 and 20,640.60 is: 28,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,636.92 : 51,938.46 = 20,640.60 : x
  2. Step 2: Convert to fraction form
    37,636.92/51,938.46 = 20,640.60/x
  3. Step 3: Cross multiply
    37,636.92x = 51,938.46 × 20,640.60
  4. Step 4: Simplify right side
    37,636.92x = 1,072,040,977.48
  5. Step 5: Solve for x
    x = 1,072,040,977.48/37,636.92
  6. Step 6: Final answer
    x = 28,483.76

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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.