Home / 33,315.36-45,974.40-18,208.05

Finding the Fourth Proportional to 33,315.36, 45,974.40 and 18,208.05

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Solution

The fourth proportional to 33,315.36, 45,974.40 and 18,208.05 is: 25,126.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,315.36 : 45,974.40 = 18,208.05 : x
  2. Step 2: Convert to fraction form
    33,315.36/45,974.40 = 18,208.05/x
  3. Step 3: Cross multiply
    33,315.36x = 45,974.40 × 18,208.05
  4. Step 4: Simplify right side
    33,315.36x = 837,104,173.92
  5. Step 5: Solve for x
    x = 837,104,173.92/33,315.36
  6. Step 6: Final answer
    x = 25,126.67

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Similar ratio
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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.