Home / 36,144.74-54,213.91-12,770.02

Finding the Fourth Proportional to 36,144.74, 54,213.91 and 12,770.02

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Solution

The fourth proportional to 36,144.74, 54,213.91 and 12,770.02 is: 19,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,144.74 : 54,213.91 = 12,770.02 : x
  2. Step 2: Convert to fraction form
    36,144.74/54,213.91 = 12,770.02/x
  3. Step 3: Cross multiply
    36,144.74x = 54,213.91 × 12,770.02
  4. Step 4: Simplify right side
    36,144.74x = 692,312,714.98
  5. Step 5: Solve for x
    x = 692,312,714.98/36,144.74
  6. Step 6: Final answer
    x = 19,153.90

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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.