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Finding the Fourth Proportional to 36,321.58, 54,482.46 and 11,361.79

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Solution

The fourth proportional to 36,321.58, 54,482.46 and 11,361.79 is: 17,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,321.58 : 54,482.46 = 11,361.79 : x
  2. Step 2: Convert to fraction form
    36,321.58/54,482.46 = 11,361.79/x
  3. Step 3: Cross multiply
    36,321.58x = 54,482.46 × 11,361.79
  4. Step 4: Simplify right side
    36,321.58x = 619,018,269.20
  5. Step 5: Solve for x
    x = 619,018,269.20/36,321.58
  6. Step 6: Final answer
    x = 17,042.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.