Home / 43,425.36-65,142.76-13,836.24

Finding the Fourth Proportional to 43,425.36, 65,142.76 and 13,836.24

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Solution

The fourth proportional to 43,425.36, 65,142.76 and 13,836.24 is: 20,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,425.36 : 65,142.76 = 13,836.24 : x
  2. Step 2: Convert to fraction form
    43,425.36/65,142.76 = 13,836.24/x
  3. Step 3: Cross multiply
    43,425.36x = 65,142.76 × 13,836.24
  4. Step 4: Simplify right side
    43,425.36x = 901,330,861.62
  5. Step 5: Solve for x
    x = 901,330,861.62/43,425.36
  6. Step 6: Final answer
    x = 20,755.86

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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.