Home / 65,629.35-98,459.55-21,256.02

Finding the Fourth Proportional to 65,629.35, 98,459.55 and 21,256.02

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Solution

The fourth proportional to 65,629.35, 98,459.55 and 21,256.02 is: 31,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,629.35 : 98,459.55 = 21,256.02 : x
  2. Step 2: Convert to fraction form
    65,629.35/98,459.55 = 21,256.02/x
  3. Step 3: Cross multiply
    65,629.35x = 98,459.55 × 21,256.02
  4. Step 4: Simplify right side
    65,629.35x = 2,092,858,163.99
  5. Step 5: Solve for x
    x = 2,092,858,163.99/65,629.35
  6. Step 6: Final answer
    x = 31,889.06

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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.