Home / 36,019.74-49,707.99-20,104.86

Finding the Fourth Proportional to 36,019.74, 49,707.99 and 20,104.86

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Solution

The fourth proportional to 36,019.74, 49,707.99 and 20,104.86 is: 27,745.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.74 : 49,707.99 = 20,104.86 : x
  2. Step 2: Convert to fraction form
    36,019.74/49,707.99 = 20,104.86/x
  3. Step 3: Cross multiply
    36,019.74x = 49,707.99 × 20,104.86
  4. Step 4: Simplify right side
    36,019.74x = 999,372,179.83
  5. Step 5: Solve for x
    x = 999,372,179.83/36,019.74
  6. Step 6: Final answer
    x = 27,745.12

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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.