Home / 39,413.50-54,390.66-29,350.60

Finding the Fourth Proportional to 39,413.50, 54,390.66 and 29,350.60

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Solution

The fourth proportional to 39,413.50, 54,390.66 and 29,350.60 is: 40,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,413.50 : 54,390.66 = 29,350.60 : x
  2. Step 2: Convert to fraction form
    39,413.50/54,390.66 = 29,350.60/x
  3. Step 3: Cross multiply
    39,413.50x = 54,390.66 × 29,350.60
  4. Step 4: Simplify right side
    39,413.50x = 1,596,398,505.40
  5. Step 5: Solve for x
    x = 1,596,398,505.40/39,413.50
  6. Step 6: Final answer
    x = 40,503.85

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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.