Home / 47,771.30-71,657.66-18,190.77

Finding the Fourth Proportional to 47,771.30, 71,657.66 and 18,190.77

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Solution

The fourth proportional to 47,771.30, 71,657.66 and 18,190.77 is: 27,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,771.30 : 71,657.66 = 18,190.77 : x
  2. Step 2: Convert to fraction form
    47,771.30/71,657.66 = 18,190.77/x
  3. Step 3: Cross multiply
    47,771.30x = 71,657.66 × 18,190.77
  4. Step 4: Simplify right side
    47,771.30x = 1,303,507,920.84
  5. Step 5: Solve for x
    x = 1,303,507,920.84/47,771.30
  6. Step 6: Final answer
    x = 27,286.43

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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.