Home / 43,676.20-65,514.30-40,468.60

Finding the Fourth Proportional to 43,676.20, 65,514.30 and 40,468.60

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Solution

The fourth proportional to 43,676.20, 65,514.30 and 40,468.60 is: 60,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,676.20 : 65,514.30 = 40,468.60 : x
  2. Step 2: Convert to fraction form
    43,676.20/65,514.30 = 40,468.60/x
  3. Step 3: Cross multiply
    43,676.20x = 65,514.30 × 40,468.60
  4. Step 4: Simplify right side
    43,676.20x = 2,651,272,000.98
  5. Step 5: Solve for x
    x = 2,651,272,000.98/43,676.20
  6. Step 6: Final answer
    x = 60,702.90

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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.