Home / 43,352.91-65,029.36-12,188.16

Finding the Fourth Proportional to 43,352.91, 65,029.36 and 12,188.16

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Solution

The fourth proportional to 43,352.91, 65,029.36 and 12,188.16 is: 18,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,352.91 : 65,029.36 = 12,188.16 : x
  2. Step 2: Convert to fraction form
    43,352.91/65,029.36 = 12,188.16/x
  3. Step 3: Cross multiply
    43,352.91x = 65,029.36 × 12,188.16
  4. Step 4: Simplify right side
    43,352.91x = 792,588,183.44
  5. Step 5: Solve for x
    x = 792,588,183.44/43,352.91
  6. Step 6: Final answer
    x = 18,282.24

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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.