Home / 33,164.81-45,759.57-18,821.50

Finding the Fourth Proportional to 33,164.81, 45,759.57 and 18,821.50

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Solution

The fourth proportional to 33,164.81, 45,759.57 and 18,821.50 is: 25,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,164.81 : 45,759.57 = 18,821.50 : x
  2. Step 2: Convert to fraction form
    33,164.81/45,759.57 = 18,821.50/x
  3. Step 3: Cross multiply
    33,164.81x = 45,759.57 × 18,821.50
  4. Step 4: Simplify right side
    33,164.81x = 861,263,561.78
  5. Step 5: Solve for x
    x = 861,263,561.78/33,164.81
  6. Step 6: Final answer
    x = 25,969.20

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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.