Home / 54,020.26-81,039.03-22,855.78

Finding the Fourth Proportional to 54,020.26, 81,039.03 and 22,855.78

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Solution

The fourth proportional to 54,020.26, 81,039.03 and 22,855.78 is: 34,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,020.26 : 81,039.03 = 22,855.78 : x
  2. Step 2: Convert to fraction form
    54,020.26/81,039.03 = 22,855.78/x
  3. Step 3: Cross multiply
    54,020.26x = 81,039.03 × 22,855.78
  4. Step 4: Simplify right side
    54,020.26x = 1,852,210,241.09
  5. Step 5: Solve for x
    x = 1,852,210,241.09/54,020.26
  6. Step 6: Final answer
    x = 34,287.33

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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.