Home / 47,771.46-71,558.64-27,990

Finding the Fourth Proportional to 47,771.46, 71,558.64 and 27,990

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Solution

The fourth proportional to 47,771.46, 71,558.64 and 27,990 is: 41,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,771.46 : 71,558.64 = 27,990 : x
  2. Step 2: Convert to fraction form
    47,771.46/71,558.64 = 27,990/x
  3. Step 3: Cross multiply
    47,771.46x = 71,558.64 × 27,990
  4. Step 4: Simplify right side
    47,771.46x = 2,002,926,333.60
  5. Step 5: Solve for x
    x = 2,002,926,333.60/47,771.46
  6. Step 6: Final answer
    x = 41,927.26

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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.