Home / 33,428.19-50,123.79-13,720.62

Finding the Fourth Proportional to 33,428.19, 50,123.79 and 13,720.62

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Solution

The fourth proportional to 33,428.19, 50,123.79 and 13,720.62 is: 20,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.19 : 50,123.79 = 13,720.62 : x
  2. Step 2: Convert to fraction form
    33,428.19/50,123.79 = 13,720.62/x
  3. Step 3: Cross multiply
    33,428.19x = 50,123.79 × 13,720.62
  4. Step 4: Simplify right side
    33,428.19x = 687,729,475.55
  5. Step 5: Solve for x
    x = 687,729,475.55/33,428.19
  6. Step 6: Final answer
    x = 20,573.34

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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.