Home / 31,413.47-47,121.97-10,068.04

Finding the Fourth Proportional to 31,413.47, 47,121.97 and 10,068.04

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Solution

The fourth proportional to 31,413.47, 47,121.97 and 10,068.04 is: 15,102.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413.47 : 47,121.97 = 10,068.04 : x
  2. Step 2: Convert to fraction form
    31,413.47/47,121.97 = 10,068.04/x
  3. Step 3: Cross multiply
    31,413.47x = 47,121.97 × 10,068.04
  4. Step 4: Simplify right side
    31,413.47x = 474,425,878.84
  5. Step 5: Solve for x
    x = 474,425,878.84/31,413.47
  6. Step 6: Final answer
    x = 15,102.63

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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.