Home / 43,676.40-65,514.60-40,297.20

Finding the Fourth Proportional to 43,676.40, 65,514.60 and 40,297.20

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Solution

The fourth proportional to 43,676.40, 65,514.60 and 40,297.20 is: 60,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,676.40 : 65,514.60 = 40,297.20 : x
  2. Step 2: Convert to fraction form
    43,676.40/65,514.60 = 40,297.20/x
  3. Step 3: Cross multiply
    43,676.40x = 65,514.60 × 40,297.20
  4. Step 4: Simplify right side
    43,676.40x = 2,640,054,939.12
  5. Step 5: Solve for x
    x = 2,640,054,939.12/43,676.40
  6. Step 6: Final answer
    x = 60,445.80

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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.