Home / 65,231.10-97,858.97-20,845.94

Finding the Fourth Proportional to 65,231.10, 97,858.97 and 20,845.94

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Solution

The fourth proportional to 65,231.10, 97,858.97 and 20,845.94 is: 31,272.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,231.10 : 97,858.97 = 20,845.94 : x
  2. Step 2: Convert to fraction form
    65,231.10/97,858.97 = 20,845.94/x
  3. Step 3: Cross multiply
    65,231.10x = 97,858.97 × 20,845.94
  4. Step 4: Simplify right side
    65,231.10x = 2,039,961,623.56
  5. Step 5: Solve for x
    x = 2,039,961,623.56/65,231.10
  6. Step 6: Final answer
    x = 31,272.84

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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.