Home / 37,286.10-51,453.78-20,289.94

Finding the Fourth Proportional to 37,286.10, 51,453.78 and 20,289.94

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Solution

The fourth proportional to 37,286.10, 51,453.78 and 20,289.94 is: 27,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,286.10 : 51,453.78 = 20,289.94 : x
  2. Step 2: Convert to fraction form
    37,286.10/51,453.78 = 20,289.94/x
  3. Step 3: Cross multiply
    37,286.10x = 51,453.78 × 20,289.94
  4. Step 4: Simplify right side
    37,286.10x = 1,043,994,108.97
  5. Step 5: Solve for x
    x = 1,043,994,108.97/37,286.10
  6. Step 6: Final answer
    x = 27,999.55

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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.