Home / 47,709.81-71,536.37-18,129.83

Finding the Fourth Proportional to 47,709.81, 71,536.37 and 18,129.83

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Solution

The fourth proportional to 47,709.81, 71,536.37 and 18,129.83 is: 27,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,709.81 : 71,536.37 = 18,129.83 : x
  2. Step 2: Convert to fraction form
    47,709.81/71,536.37 = 18,129.83/x
  3. Step 3: Cross multiply
    47,709.81x = 71,536.37 × 18,129.83
  4. Step 4: Simplify right side
    47,709.81x = 1,296,941,778.59
  5. Step 5: Solve for x
    x = 1,296,941,778.59/47,709.81
  6. Step 6: Final answer
    x = 27,183.96

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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.