Home / 31,745.45-47,621.42-10,966.25

Finding the Fourth Proportional to 31,745.45, 47,621.42 and 10,966.25

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Solution

The fourth proportional to 31,745.45, 47,621.42 and 10,966.25 is: 16,450.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,745.45 : 47,621.42 = 10,966.25 : x
  2. Step 2: Convert to fraction form
    31,745.45/47,621.42 = 10,966.25/x
  3. Step 3: Cross multiply
    31,745.45x = 47,621.42 × 10,966.25
  4. Step 4: Simplify right side
    31,745.45x = 522,228,397.08
  5. Step 5: Solve for x
    x = 522,228,397.08/31,745.45
  6. Step 6: Final answer
    x = 16,450.50

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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.