Home / 33,419.75-46,119.36-18,312.44

Finding the Fourth Proportional to 33,419.75, 46,119.36 and 18,312.44

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Solution

The fourth proportional to 33,419.75, 46,119.36 and 18,312.44 is: 25,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,419.75 : 46,119.36 = 18,312.44 : x
  2. Step 2: Convert to fraction form
    33,419.75/46,119.36 = 18,312.44/x
  3. Step 3: Cross multiply
    33,419.75x = 46,119.36 × 18,312.44
  4. Step 4: Simplify right side
    33,419.75x = 844,558,012.84
  5. Step 5: Solve for x
    x = 844,558,012.84/33,419.75
  6. Step 6: Final answer
    x = 25,271.22

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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.