Home / 31,728.73-47,596.04-10,381.57

Finding the Fourth Proportional to 31,728.73, 47,596.04 and 10,381.57

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Solution

The fourth proportional to 31,728.73, 47,596.04 and 10,381.57 is: 15,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,728.73 : 47,596.04 = 10,381.57 : x
  2. Step 2: Convert to fraction form
    31,728.73/47,596.04 = 10,381.57/x
  3. Step 3: Cross multiply
    31,728.73x = 47,596.04 × 10,381.57
  4. Step 4: Simplify right side
    31,728.73x = 494,121,620.98
  5. Step 5: Solve for x
    x = 494,121,620.98/31,728.73
  6. Step 6: Final answer
    x = 15,573.32

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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.