Home / 33,919.80-46,812.20-18,817.33

Finding the Fourth Proportional to 33,919.80, 46,812.20 and 18,817.33

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Solution

The fourth proportional to 33,919.80, 46,812.20 and 18,817.33 is: 25,969.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,919.80 : 46,812.20 = 18,817.33 : x
  2. Step 2: Convert to fraction form
    33,919.80/46,812.20 = 18,817.33/x
  3. Step 3: Cross multiply
    33,919.80x = 46,812.20 × 18,817.33
  4. Step 4: Simplify right side
    33,919.80x = 880,880,615.43
  5. Step 5: Solve for x
    x = 880,880,615.43/33,919.80
  6. Step 6: Final answer
    x = 25,969.51

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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.