Home / 36,738.14-55,122.82-20,078.71

Finding the Fourth Proportional to 36,738.14, 55,122.82 and 20,078.71

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Solution

The fourth proportional to 36,738.14, 55,122.82 and 20,078.71 is: 30,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,738.14 : 55,122.82 = 20,078.71 : x
  2. Step 2: Convert to fraction form
    36,738.14/55,122.82 = 20,078.71/x
  3. Step 3: Cross multiply
    36,738.14x = 55,122.82 × 20,078.71
  4. Step 4: Simplify right side
    36,738.14x = 1,106,795,204.77
  5. Step 5: Solve for x
    x = 1,106,795,204.77/36,738.14
  6. Step 6: Final answer
    x = 30,126.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.