Home / 20,453.96-30,531.62-17,550.92

Finding the Fourth Proportional to 20,453.96, 30,531.62 and 17,550.92

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Solution

The fourth proportional to 20,453.96, 30,531.62 and 17,550.92 is: 26,198.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453.96 : 30,531.62 = 17,550.92 : x
  2. Step 2: Convert to fraction form
    20,453.96/30,531.62 = 17,550.92/x
  3. Step 3: Cross multiply
    20,453.96x = 30,531.62 × 17,550.92
  4. Step 4: Simplify right side
    20,453.96x = 535,858,020.09
  5. Step 5: Solve for x
    x = 535,858,020.09/20,453.96
  6. Step 6: Final answer
    x = 26,198.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.