Home / 65,679.44-98,533.01-21,302.75

Finding the Fourth Proportional to 65,679.44, 98,533.01 and 21,302.75

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Solution

The fourth proportional to 65,679.44, 98,533.01 and 21,302.75 is: 31,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,679.44 : 98,533.01 = 21,302.75 : x
  2. Step 2: Convert to fraction form
    65,679.44/98,533.01 = 21,302.75/x
  3. Step 3: Cross multiply
    65,679.44x = 98,533.01 × 21,302.75
  4. Step 4: Simplify right side
    65,679.44x = 2,099,023,599.43
  5. Step 5: Solve for x
    x = 2,099,023,599.43/65,679.44
  6. Step 6: Final answer
    x = 31,958.61

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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.