Home / 37,935.53-52,351.03-20,939.78

Finding the Fourth Proportional to 37,935.53, 52,351.03 and 20,939.78

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Solution

The fourth proportional to 37,935.53, 52,351.03 and 20,939.78 is: 28,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,935.53 : 52,351.03 = 20,939.78 : x
  2. Step 2: Convert to fraction form
    37,935.53/52,351.03 = 20,939.78/x
  3. Step 3: Cross multiply
    37,935.53x = 52,351.03 × 20,939.78
  4. Step 4: Simplify right side
    37,935.53x = 1,096,219,050.97
  5. Step 5: Solve for x
    x = 1,096,219,050.97/37,935.53
  6. Step 6: Final answer
    x = 28,896.90

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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.