Home / 31,481.06-47,225.04-10,413.42

Finding the Fourth Proportional to 31,481.06, 47,225.04 and 10,413.42

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Solution

The fourth proportional to 31,481.06, 47,225.04 and 10,413.42 is: 15,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.06 : 47,225.04 = 10,413.42 : x
  2. Step 2: Convert to fraction form
    31,481.06/47,225.04 = 10,413.42/x
  3. Step 3: Cross multiply
    31,481.06x = 47,225.04 × 10,413.42
  4. Step 4: Simplify right side
    31,481.06x = 491,774,176.04
  5. Step 5: Solve for x
    x = 491,774,176.04/31,481.06
  6. Step 6: Final answer
    x = 15,621.27

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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.