Home / 65,361.14-98,032.42-20,982.15

Finding the Fourth Proportional to 65,361.14, 98,032.42 and 20,982.15

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Solution

The fourth proportional to 65,361.14, 98,032.42 and 20,982.15 is: 31,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,361.14 : 98,032.42 = 20,982.15 : x
  2. Step 2: Convert to fraction form
    65,361.14/98,032.42 = 20,982.15/x
  3. Step 3: Cross multiply
    65,361.14x = 98,032.42 × 20,982.15
  4. Step 4: Simplify right side
    65,361.14x = 2,056,930,888.85
  5. Step 5: Solve for x
    x = 2,056,930,888.85/65,361.14
  6. Step 6: Final answer
    x = 31,470.24

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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.