Home / 43,705.68-65,568.24-12,538.56

Finding the Fourth Proportional to 43,705.68, 65,568.24 and 12,538.56

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Solution

The fourth proportional to 43,705.68, 65,568.24 and 12,538.56 is: 18,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,705.68 : 65,568.24 = 12,538.56 : x
  2. Step 2: Convert to fraction form
    43,705.68/65,568.24 = 12,538.56/x
  3. Step 3: Cross multiply
    43,705.68x = 65,568.24 × 12,538.56
  4. Step 4: Simplify right side
    43,705.68x = 822,131,311.33
  5. Step 5: Solve for x
    x = 822,131,311.33/43,705.68
  6. Step 6: Final answer
    x = 18,810.63

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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.