Home / 33,148.81-49,723.35-13,427.74

Finding the Fourth Proportional to 33,148.81, 49,723.35 and 13,427.74

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Solution

The fourth proportional to 33,148.81, 49,723.35 and 13,427.74 is: 20,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,148.81 : 49,723.35 = 13,427.74 : x
  2. Step 2: Convert to fraction form
    33,148.81/49,723.35 = 13,427.74/x
  3. Step 3: Cross multiply
    33,148.81x = 49,723.35 × 13,427.74
  4. Step 4: Simplify right side
    33,148.81x = 667,672,215.73
  5. Step 5: Solve for x
    x = 667,672,215.73/33,148.81
  6. Step 6: Final answer
    x = 20,141.66

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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.