Home / 36,311.60-50,108.46-21,205.12

Finding the Fourth Proportional to 36,311.60, 50,108.46 and 21,205.12

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Solution

The fourth proportional to 36,311.60, 50,108.46 and 21,205.12 is: 29,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,311.60 : 50,108.46 = 21,205.12 : x
  2. Step 2: Convert to fraction form
    36,311.60/50,108.46 = 21,205.12/x
  3. Step 3: Cross multiply
    36,311.60x = 50,108.46 × 21,205.12
  4. Step 4: Simplify right side
    36,311.60x = 1,062,555,907.32
  5. Step 5: Solve for x
    x = 1,062,555,907.32/36,311.60
  6. Step 6: Final answer
    x = 29,262.16

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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.