Home / 36,015.79-49,699.76-20,101.26

Finding the Fourth Proportional to 36,015.79, 49,699.76 and 20,101.26

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Solution

The fourth proportional to 36,015.79, 49,699.76 and 20,101.26 is: 27,738.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.79 : 49,699.76 = 20,101.26 : x
  2. Step 2: Convert to fraction form
    36,015.79/49,699.76 = 20,101.26/x
  3. Step 3: Cross multiply
    36,015.79x = 49,699.76 × 20,101.26
  4. Step 4: Simplify right side
    36,015.79x = 999,027,797.70
  5. Step 5: Solve for x
    x = 999,027,797.70/36,015.79
  6. Step 6: Final answer
    x = 27,738.61

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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.