Home / 31,413.83-47,120.94-9,227.12

Finding the Fourth Proportional to 31,413.83, 47,120.94 and 9,227.12

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Solution

The fourth proportional to 31,413.83, 47,120.94 and 9,227.12 is: 13,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413.83 : 47,120.94 = 9,227.12 : x
  2. Step 2: Convert to fraction form
    31,413.83/47,120.94 = 9,227.12/x
  3. Step 3: Cross multiply
    31,413.83x = 47,120.94 × 9,227.12
  4. Step 4: Simplify right side
    31,413.83x = 434,790,332.29
  5. Step 5: Solve for x
    x = 434,790,332.29/31,413.83
  6. Step 6: Final answer
    x = 13,840.73

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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.