Home / 65,535.30-98,282.11-21,151.73

Finding the Fourth Proportional to 65,535.30, 98,282.11 and 21,151.73

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Solution

The fourth proportional to 65,535.30, 98,282.11 and 21,151.73 is: 31,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,535.30 : 98,282.11 = 21,151.73 : x
  2. Step 2: Convert to fraction form
    65,535.30/98,282.11 = 21,151.73/x
  3. Step 3: Cross multiply
    65,535.30x = 98,282.11 × 21,151.73
  4. Step 4: Simplify right side
    65,535.30x = 2,078,836,887.04
  5. Step 5: Solve for x
    x = 2,078,836,887.04/65,535.30
  6. Step 6: Final answer
    x = 31,720.87

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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.