Home / 36,021.07-49,707.04-20,106.54

Finding the Fourth Proportional to 36,021.07, 49,707.04 and 20,106.54

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Solution

The fourth proportional to 36,021.07, 49,707.04 and 20,106.54 is: 27,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,021.07 : 49,707.04 = 20,106.54 : x
  2. Step 2: Convert to fraction form
    36,021.07/49,707.04 = 20,106.54/x
  3. Step 3: Cross multiply
    36,021.07x = 49,707.04 × 20,106.54
  4. Step 4: Simplify right side
    36,021.07x = 999,436,588.04
  5. Step 5: Solve for x
    x = 999,436,588.04/36,021.07
  6. Step 6: Final answer
    x = 27,745.89

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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.