Home / 43,771.46-65,677.69-21,572.73

Finding the Fourth Proportional to 43,771.46, 65,677.69 and 21,572.73

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Solution

The fourth proportional to 43,771.46, 65,677.69 and 21,572.73 is: 32,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,771.46 : 65,677.69 = 21,572.73 : x
  2. Step 2: Convert to fraction form
    43,771.46/65,677.69 = 21,572.73/x
  3. Step 3: Cross multiply
    43,771.46x = 65,677.69 × 21,572.73
  4. Step 4: Simplify right side
    43,771.46x = 1,416,846,979.01
  5. Step 5: Solve for x
    x = 1,416,846,979.01/43,771.46
  6. Step 6: Final answer
    x = 32,369.20

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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.