Home / 36,222.56-49,977.64-20,905.36

Finding the Fourth Proportional to 36,222.56, 49,977.64 and 20,905.36

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Solution

The fourth proportional to 36,222.56, 49,977.64 and 20,905.36 is: 28,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.56 : 49,977.64 = 20,905.36 : x
  2. Step 2: Convert to fraction form
    36,222.56/49,977.64 = 20,905.36/x
  3. Step 3: Cross multiply
    36,222.56x = 49,977.64 × 20,905.36
  4. Step 4: Simplify right side
    36,222.56x = 1,044,800,556.15
  5. Step 5: Solve for x
    x = 1,044,800,556.15/36,222.56
  6. Step 6: Final answer
    x = 28,843.92

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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.