Home / 43,455.44-65,194.08-12,290.68

Finding the Fourth Proportional to 43,455.44, 65,194.08 and 12,290.68

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Solution

The fourth proportional to 43,455.44, 65,194.08 and 12,290.68 is: 18,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,455.44 : 65,194.08 = 12,290.68 : x
  2. Step 2: Convert to fraction form
    43,455.44/65,194.08 = 12,290.68/x
  3. Step 3: Cross multiply
    43,455.44x = 65,194.08 × 12,290.68
  4. Step 4: Simplify right side
    43,455.44x = 801,279,575.17
  5. Step 5: Solve for x
    x = 801,279,575.17/43,455.44
  6. Step 6: Final answer
    x = 18,439.11

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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.