Home / 43,679.93-65,519.91-18,703.85

Finding the Fourth Proportional to 43,679.93, 65,519.91 and 18,703.85

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Solution

The fourth proportional to 43,679.93, 65,519.91 and 18,703.85 is: 28,055.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,679.93 : 65,519.91 = 18,703.85 : x
  2. Step 2: Convert to fraction form
    43,679.93/65,519.91 = 18,703.85/x
  3. Step 3: Cross multiply
    43,679.93x = 65,519.91 × 18,703.85
  4. Step 4: Simplify right side
    43,679.93x = 1,225,474,241.05
  5. Step 5: Solve for x
    x = 1,225,474,241.05/43,679.93
  6. Step 6: Final answer
    x = 28,055.78

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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.