Home / 49,511.44-74,388.84-31,749.76

Finding the Fourth Proportional to 49,511.44, 74,388.84 and 31,749.76

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Solution

The fourth proportional to 49,511.44, 74,388.84 and 31,749.76 is: 47,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,511.44 : 74,388.84 = 31,749.76 : x
  2. Step 2: Convert to fraction form
    49,511.44/74,388.84 = 31,749.76/x
  3. Step 3: Cross multiply
    49,511.44x = 74,388.84 × 31,749.76
  4. Step 4: Simplify right side
    49,511.44x = 2,361,827,816.68
  5. Step 5: Solve for x
    x = 2,361,827,816.68/49,511.44
  6. Step 6: Final answer
    x = 47,702.67

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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.