Home / 31,413.74-47,118.30-9,228.85

Finding the Fourth Proportional to 31,413.74, 47,118.30 and 9,228.85

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Solution

The fourth proportional to 31,413.74, 47,118.30 and 9,228.85 is: 13,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413.74 : 47,118.30 = 9,228.85 : x
  2. Step 2: Convert to fraction form
    31,413.74/47,118.30 = 9,228.85/x
  3. Step 3: Cross multiply
    31,413.74x = 47,118.30 × 9,228.85
  4. Step 4: Simplify right side
    31,413.74x = 434,847,722.96
  5. Step 5: Solve for x
    x = 434,847,722.96/31,413.74
  6. Step 6: Final answer
    x = 13,842.60

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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.