Home / 54,074.25-81,111.38-17,138.25

Finding the Fourth Proportional to 54,074.25, 81,111.38 and 17,138.25

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Solution

The fourth proportional to 54,074.25, 81,111.38 and 17,138.25 is: 25,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,074.25 : 81,111.38 = 17,138.25 : x
  2. Step 2: Convert to fraction form
    54,074.25/81,111.38 = 17,138.25/x
  3. Step 3: Cross multiply
    54,074.25x = 81,111.38 × 17,138.25
  4. Step 4: Simplify right side
    54,074.25x = 1,390,107,022.59
  5. Step 5: Solve for x
    x = 1,390,107,022.59/54,074.25
  6. Step 6: Final answer
    x = 25,707.38

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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.