Home / 33,360.13-50,040.24-13,638.69

Finding the Fourth Proportional to 33,360.13, 50,040.24 and 13,638.69

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Solution

The fourth proportional to 33,360.13, 50,040.24 and 13,638.69 is: 20,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,360.13 : 50,040.24 = 13,638.69 : x
  2. Step 2: Convert to fraction form
    33,360.13/50,040.24 = 13,638.69/x
  3. Step 3: Cross multiply
    33,360.13x = 50,040.24 × 13,638.69
  4. Step 4: Simplify right side
    33,360.13x = 682,483,349.70
  5. Step 5: Solve for x
    x = 682,483,349.70/33,360.13
  6. Step 6: Final answer
    x = 20,458.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.