Home / 65,617.26-98,441.48-21,243.99

Finding the Fourth Proportional to 65,617.26, 98,441.48 and 21,243.99

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Solution

The fourth proportional to 65,617.26, 98,441.48 and 21,243.99 is: 31,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,617.26 : 98,441.48 = 21,243.99 : x
  2. Step 2: Convert to fraction form
    65,617.26/98,441.48 = 21,243.99/x
  3. Step 3: Cross multiply
    65,617.26x = 98,441.48 × 21,243.99
  4. Step 4: Simplify right side
    65,617.26x = 2,091,289,710.49
  5. Step 5: Solve for x
    x = 2,091,289,710.49/65,617.26
  6. Step 6: Final answer
    x = 31,871.03

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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.