Home / 54,749.03-82,135.89-17,311.37

Finding the Fourth Proportional to 54,749.03, 82,135.89 and 17,311.37

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Solution

The fourth proportional to 54,749.03, 82,135.89 and 17,311.37 is: 25,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,749.03 : 82,135.89 = 17,311.37 : x
  2. Step 2: Convert to fraction form
    54,749.03/82,135.89 = 17,311.37/x
  3. Step 3: Cross multiply
    54,749.03x = 82,135.89 × 17,311.37
  4. Step 4: Simplify right side
    54,749.03x = 1,421,884,371.39
  5. Step 5: Solve for x
    x = 1,421,884,371.39/54,749.03
  6. Step 6: Final answer
    x = 25,970.95

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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.