Home / 36,021.62-49,710.58-20,106.74

Finding the Fourth Proportional to 36,021.62, 49,710.58 and 20,106.74

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Solution

The fourth proportional to 36,021.62, 49,710.58 and 20,106.74 is: 27,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,021.62 : 49,710.58 = 20,106.74 : x
  2. Step 2: Convert to fraction form
    36,021.62/49,710.58 = 20,106.74/x
  3. Step 3: Cross multiply
    36,021.62x = 49,710.58 × 20,106.74
  4. Step 4: Simplify right side
    36,021.62x = 999,517,408.49
  5. Step 5: Solve for x
    x = 999,517,408.49/36,021.62
  6. Step 6: Final answer
    x = 27,747.71

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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.