Home / 37,940.46-52,358.94-20,945.76

Finding the Fourth Proportional to 37,940.46, 52,358.94 and 20,945.76

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Solution

The fourth proportional to 37,940.46, 52,358.94 and 20,945.76 is: 28,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,940.46 : 52,358.94 = 20,945.76 : x
  2. Step 2: Convert to fraction form
    37,940.46/52,358.94 = 20,945.76/x
  3. Step 3: Cross multiply
    37,940.46x = 52,358.94 × 20,945.76
  4. Step 4: Simplify right side
    37,940.46x = 1,096,697,791.09
  5. Step 5: Solve for x
    x = 1,096,697,791.09/37,940.46
  6. Step 6: Final answer
    x = 28,905.76

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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.