Home / 43,489.55-65,234.93-12,324.80

Finding the Fourth Proportional to 43,489.55, 65,234.93 and 12,324.80

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Solution

The fourth proportional to 43,489.55, 65,234.93 and 12,324.80 is: 18,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,489.55 : 65,234.93 = 12,324.80 : x
  2. Step 2: Convert to fraction form
    43,489.55/65,234.93 = 12,324.80/x
  3. Step 3: Cross multiply
    43,489.55x = 65,234.93 × 12,324.80
  4. Step 4: Simplify right side
    43,489.55x = 804,007,465.26
  5. Step 5: Solve for x
    x = 804,007,465.26/43,489.55
  6. Step 6: Final answer
    x = 18,487.37

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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.