Home / 43,819.64-65,731.58-12,229.64

Finding the Fourth Proportional to 43,819.64, 65,731.58 and 12,229.64

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Solution

The fourth proportional to 43,819.64, 65,731.58 and 12,229.64 is: 18,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,819.64 : 65,731.58 = 12,229.64 : x
  2. Step 2: Convert to fraction form
    43,819.64/65,731.58 = 12,229.64/x
  3. Step 3: Cross multiply
    43,819.64x = 65,731.58 × 12,229.64
  4. Step 4: Simplify right side
    43,819.64x = 803,873,498.88
  5. Step 5: Solve for x
    x = 803,873,498.88/43,819.64
  6. Step 6: Final answer
    x = 18,345.05

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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.