Home / 43,944.32-65,926.20-12,782

Finding the Fourth Proportional to 43,944.32, 65,926.20 and 12,782

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Solution

The fourth proportional to 43,944.32, 65,926.20 and 12,782 is: 19,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,944.32 : 65,926.20 = 12,782 : x
  2. Step 2: Convert to fraction form
    43,944.32/65,926.20 = 12,782/x
  3. Step 3: Cross multiply
    43,944.32x = 65,926.20 × 12,782
  4. Step 4: Simplify right side
    43,944.32x = 842,668,688.40
  5. Step 5: Solve for x
    x = 842,668,688.40/43,944.32
  6. Step 6: Final answer
    x = 19,175.83

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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.