Home / 36,436.85-50,286.43-21,328.60

Finding the Fourth Proportional to 36,436.85, 50,286.43 and 21,328.60

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Solution

The fourth proportional to 36,436.85, 50,286.43 and 21,328.60 is: 29,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,436.85 : 50,286.43 = 21,328.60 : x
  2. Step 2: Convert to fraction form
    36,436.85/50,286.43 = 21,328.60/x
  3. Step 3: Cross multiply
    36,436.85x = 50,286.43 × 21,328.60
  4. Step 4: Simplify right side
    36,436.85x = 1,072,539,150.90
  5. Step 5: Solve for x
    x = 1,072,539,150.90/36,436.85
  6. Step 6: Final answer
    x = 29,435.56

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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.