Home / 43,777.06-65,675.34-12,609.88

Finding the Fourth Proportional to 43,777.06, 65,675.34 and 12,609.88

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Solution

The fourth proportional to 43,777.06, 65,675.34 and 12,609.88 is: 18,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,777.06 : 65,675.34 = 12,609.88 : x
  2. Step 2: Convert to fraction form
    43,777.06/65,675.34 = 12,609.88/x
  3. Step 3: Cross multiply
    43,777.06x = 65,675.34 × 12,609.88
  4. Step 4: Simplify right side
    43,777.06x = 828,157,992.17
  5. Step 5: Solve for x
    x = 828,157,992.17/43,777.06
  6. Step 6: Final answer
    x = 18,917.63

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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.