Home / 31,640.43-47,467.85-16,841.55

Finding the Fourth Proportional to 31,640.43, 47,467.85 and 16,841.55

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Solution

The fourth proportional to 31,640.43, 47,467.85 and 16,841.55 is: 25,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,640.43 : 47,467.85 = 16,841.55 : x
  2. Step 2: Convert to fraction form
    31,640.43/47,467.85 = 16,841.55/x
  3. Step 3: Cross multiply
    31,640.43x = 47,467.85 × 16,841.55
  4. Step 4: Simplify right side
    31,640.43x = 799,432,084.96
  5. Step 5: Solve for x
    x = 799,432,084.96/31,640.43
  6. Step 6: Final answer
    x = 25,266.16

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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.