Home / 31,738.80-47,608.20-9,555.60

Finding the Fourth Proportional to 31,738.80, 47,608.20 and 9,555.60

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Solution

The fourth proportional to 31,738.80, 47,608.20 and 9,555.60 is: 14,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,738.80 : 47,608.20 = 9,555.60 : x
  2. Step 2: Convert to fraction form
    31,738.80/47,608.20 = 9,555.60/x
  3. Step 3: Cross multiply
    31,738.80x = 47,608.20 × 9,555.60
  4. Step 4: Simplify right side
    31,738.80x = 454,924,915.92
  5. Step 5: Solve for x
    x = 454,924,915.92/31,738.80
  6. Step 6: Final answer
    x = 14,333.40

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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.