Home / 47,889.69-71,760.03-18,291.37

Finding the Fourth Proportional to 47,889.69, 71,760.03 and 18,291.37

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Solution

The fourth proportional to 47,889.69, 71,760.03 and 18,291.37 is: 27,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,889.69 : 71,760.03 = 18,291.37 : x
  2. Step 2: Convert to fraction form
    47,889.69/71,760.03 = 18,291.37/x
  3. Step 3: Cross multiply
    47,889.69x = 71,760.03 × 18,291.37
  4. Step 4: Simplify right side
    47,889.69x = 1,312,589,259.94
  5. Step 5: Solve for x
    x = 1,312,589,259.94/47,889.69
  6. Step 6: Final answer
    x = 27,408.60

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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.