Home / 43,650.82-65,476.24-12,486.07

Finding the Fourth Proportional to 43,650.82, 65,476.24 and 12,486.07

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Solution

The fourth proportional to 43,650.82, 65,476.24 and 12,486.07 is: 18,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,650.82 : 65,476.24 = 12,486.07 : x
  2. Step 2: Convert to fraction form
    43,650.82/65,476.24 = 12,486.07/x
  3. Step 3: Cross multiply
    43,650.82x = 65,476.24 × 12,486.07
  4. Step 4: Simplify right side
    43,650.82x = 817,540,915.98
  5. Step 5: Solve for x
    x = 817,540,915.98/43,650.82
  6. Step 6: Final answer
    x = 18,729.11

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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.