Home / 43,725.91-65,555.53-13,722.85

Finding the Fourth Proportional to 43,725.91, 65,555.53 and 13,722.85

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Solution

The fourth proportional to 43,725.91, 65,555.53 and 13,722.85 is: 20,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,725.91 : 65,555.53 = 13,722.85 : x
  2. Step 2: Convert to fraction form
    43,725.91/65,555.53 = 13,722.85/x
  3. Step 3: Cross multiply
    43,725.91x = 65,555.53 × 13,722.85
  4. Step 4: Simplify right side
    43,725.91x = 899,608,704.86
  5. Step 5: Solve for x
    x = 899,608,704.86/43,725.91
  6. Step 6: Final answer
    x = 20,573.81

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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.