Home / 31,960.70-47,918.41-12,222.62

Finding the Fourth Proportional to 31,960.70, 47,918.41 and 12,222.62

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Solution

The fourth proportional to 31,960.70, 47,918.41 and 12,222.62 is: 18,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,960.70 : 47,918.41 = 12,222.62 : x
  2. Step 2: Convert to fraction form
    31,960.70/47,918.41 = 12,222.62/x
  3. Step 3: Cross multiply
    31,960.70x = 47,918.41 × 12,222.62
  4. Step 4: Simplify right side
    31,960.70x = 585,688,516.43
  5. Step 5: Solve for x
    x = 585,688,516.43/31,960.70
  6. Step 6: Final answer
    x = 18,325.27

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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.