Home / 30,413.04-41,969.58-16,984.53

Finding the Fourth Proportional to 30,413.04, 41,969.58 and 16,984.53

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Solution

The fourth proportional to 30,413.04, 41,969.58 and 16,984.53 is: 23,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,413.04 : 41,969.58 = 16,984.53 : x
  2. Step 2: Convert to fraction form
    30,413.04/41,969.58 = 16,984.53/x
  3. Step 3: Cross multiply
    30,413.04x = 41,969.58 × 16,984.53
  4. Step 4: Simplify right side
    30,413.04x = 712,833,590.60
  5. Step 5: Solve for x
    x = 712,833,590.60/30,413.04
  6. Step 6: Final answer
    x = 23,438.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.