Home / 29,286.72-43,885.74-19,390.56

Finding the Fourth Proportional to 29,286.72, 43,885.74 and 19,390.56

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Solution

The fourth proportional to 29,286.72, 43,885.74 and 19,390.56 is: 29,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,286.72 : 43,885.74 = 19,390.56 : x
  2. Step 2: Convert to fraction form
    29,286.72/43,885.74 = 19,390.56/x
  3. Step 3: Cross multiply
    29,286.72x = 43,885.74 × 19,390.56
  4. Step 4: Simplify right side
    29,286.72x = 850,969,074.61
  5. Step 5: Solve for x
    x = 850,969,074.61/29,286.72
  6. Step 6: Final answer
    x = 29,056.48

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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.