Home / 33,289.40-45,939.26-19,861.22

Finding the Fourth Proportional to 33,289.40, 45,939.26 and 19,861.22

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Solution

The fourth proportional to 33,289.40, 45,939.26 and 19,861.22 is: 27,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,289.40 : 45,939.26 = 19,861.22 : x
  2. Step 2: Convert to fraction form
    33,289.40/45,939.26 = 19,861.22/x
  3. Step 3: Cross multiply
    33,289.40x = 45,939.26 × 19,861.22
  4. Step 4: Simplify right side
    33,289.40x = 912,409,749.50
  5. Step 5: Solve for x
    x = 912,409,749.50/33,289.40
  6. Step 6: Final answer
    x = 27,408.42

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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.