Home / 43,413.03-65,119.61-15,317.84

Finding the Fourth Proportional to 43,413.03, 65,119.61 and 15,317.84

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Solution

The fourth proportional to 43,413.03, 65,119.61 and 15,317.84 is: 22,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,413.03 : 65,119.61 = 15,317.84 : x
  2. Step 2: Convert to fraction form
    43,413.03/65,119.61 = 15,317.84/x
  3. Step 3: Cross multiply
    43,413.03x = 65,119.61 × 15,317.84
  4. Step 4: Simplify right side
    43,413.03x = 997,491,364.66
  5. Step 5: Solve for x
    x = 997,491,364.66/43,413.03
  6. Step 6: Final answer
    x = 22,976.77

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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.