Home / 65,584.35-98,379.60-21,214.56

Finding the Fourth Proportional to 65,584.35, 98,379.60 and 21,214.56

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Solution

The fourth proportional to 65,584.35, 98,379.60 and 21,214.56 is: 31,822.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,584.35 : 98,379.60 = 21,214.56 : x
  2. Step 2: Convert to fraction form
    65,584.35/98,379.60 = 21,214.56/x
  3. Step 3: Cross multiply
    65,584.35x = 98,379.60 × 21,214.56
  4. Step 4: Simplify right side
    65,584.35x = 2,087,079,820.90
  5. Step 5: Solve for x
    x = 2,087,079,820.90/65,584.35
  6. Step 6: Final answer
    x = 31,822.84

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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.