Home / 65,190.14-97,784.38-20,816.33

Finding the Fourth Proportional to 65,190.14, 97,784.38 and 20,816.33

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Solution

The fourth proportional to 65,190.14, 97,784.38 and 20,816.33 is: 31,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190.14 : 97,784.38 = 20,816.33 : x
  2. Step 2: Convert to fraction form
    65,190.14/97,784.38 = 20,816.33/x
  3. Step 3: Cross multiply
    65,190.14x = 97,784.38 × 20,816.33
  4. Step 4: Simplify right side
    65,190.14x = 2,035,511,922.93
  5. Step 5: Solve for x
    x = 2,035,511,922.93/65,190.14
  6. Step 6: Final answer
    x = 31,224.23

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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.