Home / 30,372.26-45,561.62-12,843.86

Finding the Fourth Proportional to 30,372.26, 45,561.62 and 12,843.86

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Solution

The fourth proportional to 30,372.26, 45,561.62 and 12,843.86 is: 19,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.26 : 45,561.62 = 12,843.86 : x
  2. Step 2: Convert to fraction form
    30,372.26/45,561.62 = 12,843.86/x
  3. Step 3: Cross multiply
    30,372.26x = 45,561.62 × 12,843.86
  4. Step 4: Simplify right side
    30,372.26x = 585,186,872.95
  5. Step 5: Solve for x
    x = 585,186,872.95/30,372.26
  6. Step 6: Final answer
    x = 19,267.15

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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.