Home / 43,971.22-65,960.73-12,381.56

Finding the Fourth Proportional to 43,971.22, 65,960.73 and 12,381.56

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Solution

The fourth proportional to 43,971.22, 65,960.73 and 12,381.56 is: 18,573.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,971.22 : 65,960.73 = 12,381.56 : x
  2. Step 2: Convert to fraction form
    43,971.22/65,960.73 = 12,381.56/x
  3. Step 3: Cross multiply
    43,971.22x = 65,960.73 × 12,381.56
  4. Step 4: Simplify right side
    43,971.22x = 816,696,736.14
  5. Step 5: Solve for x
    x = 816,696,736.14/43,971.22
  6. Step 6: Final answer
    x = 18,573.44

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1.5x scale

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.