Home / 33,389.82-46,074.81-19,958.40

Finding the Fourth Proportional to 33,389.82, 46,074.81 and 19,958.40

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Solution

The fourth proportional to 33,389.82, 46,074.81 and 19,958.40 is: 27,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,389.82 : 46,074.81 = 19,958.40 : x
  2. Step 2: Convert to fraction form
    33,389.82/46,074.81 = 19,958.40/x
  3. Step 3: Cross multiply
    33,389.82x = 46,074.81 × 19,958.40
  4. Step 4: Simplify right side
    33,389.82x = 919,579,487.90
  5. Step 5: Solve for x
    x = 919,579,487.90/33,389.82
  6. Step 6: Final answer
    x = 27,540.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.