Home / 31,960.71-47,918.37-12,222.63

Finding the Fourth Proportional to 31,960.71, 47,918.37 and 12,222.63

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Solution

The fourth proportional to 31,960.71, 47,918.37 and 12,222.63 is: 18,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,960.71 : 47,918.37 = 12,222.63 : x
  2. Step 2: Convert to fraction form
    31,960.71/47,918.37 = 12,222.63/x
  3. Step 3: Cross multiply
    31,960.71x = 47,918.37 × 12,222.63
  4. Step 4: Simplify right side
    31,960.71x = 585,688,506.71
  5. Step 5: Solve for x
    x = 585,688,506.71/31,960.71
  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.