Home / 76,836.60-115,252.88-32,451.44

Finding the Fourth Proportional to 76,836.60, 115,252.88 and 32,451.44

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Solution

The fourth proportional to 76,836.60, 115,252.88 and 32,451.44 is: 48,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,836.60 : 115,252.88 = 32,451.44 : x
  2. Step 2: Convert to fraction form
    76,836.60/115,252.88 = 32,451.44/x
  3. Step 3: Cross multiply
    76,836.60x = 115,252.88 × 32,451.44
  4. Step 4: Simplify right side
    76,836.60x = 3,740,121,181.63
  5. Step 5: Solve for x
    x = 3,740,121,181.63/76,836.60
  6. Step 6: Final answer
    x = 48,676.30

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1.5x scale

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.