Home / 33,620.34-50,430.78-11,438.76

Finding the Fourth Proportional to 33,620.34, 50,430.78 and 11,438.76

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Solution

The fourth proportional to 33,620.34, 50,430.78 and 11,438.76 is: 17,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,620.34 : 50,430.78 = 11,438.76 : x
  2. Step 2: Convert to fraction form
    33,620.34/50,430.78 = 11,438.76/x
  3. Step 3: Cross multiply
    33,620.34x = 50,430.78 × 11,438.76
  4. Step 4: Simplify right side
    33,620.34x = 576,865,589.03
  5. Step 5: Solve for x
    x = 576,865,589.03/33,620.34
  6. Step 6: Final answer
    x = 17,158.23

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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.