Home / 43,352.93-65,029.39-12,188.18

Finding the Fourth Proportional to 43,352.93, 65,029.39 and 12,188.18

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Solution

The fourth proportional to 43,352.93, 65,029.39 and 12,188.18 is: 18,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,352.93 : 65,029.39 = 12,188.18 : x
  2. Step 2: Convert to fraction form
    43,352.93/65,029.39 = 12,188.18/x
  3. Step 3: Cross multiply
    43,352.93x = 65,029.39 × 12,188.18
  4. Step 4: Simplify right side
    43,352.93x = 792,589,910.61
  5. Step 5: Solve for x
    x = 792,589,910.61/43,352.93
  6. Step 6: Final answer
    x = 18,282.27

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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.