Home / 47,761.10-71,714.55-36,680.30

Finding the Fourth Proportional to 47,761.10, 71,714.55 and 36,680.30

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Solution

The fourth proportional to 47,761.10, 71,714.55 and 36,680.30 is: 55,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,761.10 : 71,714.55 = 36,680.30 : x
  2. Step 2: Convert to fraction form
    47,761.10/71,714.55 = 36,680.30/x
  3. Step 3: Cross multiply
    47,761.10x = 71,714.55 × 36,680.30
  4. Step 4: Simplify right side
    47,761.10x = 2,630,511,208.37
  5. Step 5: Solve for x
    x = 2,630,511,208.37/47,761.10
  6. Step 6: Final answer
    x = 55,076.44

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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.