Home / 36,821.22-50,813.49-20,905.93

Finding the Fourth Proportional to 36,821.22, 50,813.49 and 20,905.93

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Solution

The fourth proportional to 36,821.22, 50,813.49 and 20,905.93 is: 28,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.22 : 50,813.49 = 20,905.93 : x
  2. Step 2: Convert to fraction form
    36,821.22/50,813.49 = 20,905.93/x
  3. Step 3: Cross multiply
    36,821.22x = 50,813.49 × 20,905.93
  4. Step 4: Simplify right side
    36,821.22x = 1,062,303,265.00
  5. Step 5: Solve for x
    x = 1,062,303,265.00/36,821.22
  6. Step 6: Final answer
    x = 28,850.30

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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.