Home / 43,531.09-65,321.24-18,568.77

Finding the Fourth Proportional to 43,531.09, 65,321.24 and 18,568.77

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Solution

The fourth proportional to 43,531.09, 65,321.24 and 18,568.77 is: 27,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,531.09 : 65,321.24 = 18,568.77 : x
  2. Step 2: Convert to fraction form
    43,531.09/65,321.24 = 18,568.77/x
  3. Step 3: Cross multiply
    43,531.09x = 65,321.24 × 18,568.77
  4. Step 4: Simplify right side
    43,531.09x = 1,212,935,081.67
  5. Step 5: Solve for x
    x = 1,212,935,081.67/43,531.09
  6. Step 6: Final answer
    x = 27,863.65

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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.