Home / 31,816.54-47,705.88-12,096.58

Finding the Fourth Proportional to 31,816.54, 47,705.88 and 12,096.58

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Solution

The fourth proportional to 31,816.54, 47,705.88 and 12,096.58 is: 18,137.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.54 : 47,705.88 = 12,096.58 : x
  2. Step 2: Convert to fraction form
    31,816.54/47,705.88 = 12,096.58/x
  3. Step 3: Cross multiply
    31,816.54x = 47,705.88 × 12,096.58
  4. Step 4: Simplify right side
    31,816.54x = 577,077,993.89
  5. Step 5: Solve for x
    x = 577,077,993.89/31,816.54
  6. Step 6: Final answer
    x = 18,137.67

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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.