Home / 65,546.20-98,330.46-21,167.56

Finding the Fourth Proportional to 65,546.20, 98,330.46 and 21,167.56

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Solution

The fourth proportional to 65,546.20, 98,330.46 and 21,167.56 is: 31,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,546.20 : 98,330.46 = 21,167.56 : x
  2. Step 2: Convert to fraction form
    65,546.20/98,330.46 = 21,167.56/x
  3. Step 3: Cross multiply
    65,546.20x = 98,330.46 × 21,167.56
  4. Step 4: Simplify right side
    65,546.20x = 2,081,415,911.88
  5. Step 5: Solve for x
    x = 2,081,415,911.88/65,546.20
  6. Step 6: Final answer
    x = 31,754.94

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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.