Home / 65,682.09-98,537.55-21,313.32

Finding the Fourth Proportional to 65,682.09, 98,537.55 and 21,313.32

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Solution

The fourth proportional to 65,682.09, 98,537.55 and 21,313.32 is: 31,974.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,682.09 : 98,537.55 = 21,313.32 : x
  2. Step 2: Convert to fraction form
    65,682.09/98,537.55 = 21,313.32/x
  3. Step 3: Cross multiply
    65,682.09x = 98,537.55 × 21,313.32
  4. Step 4: Simplify right side
    65,682.09x = 2,100,162,335.17
  5. Step 5: Solve for x
    x = 2,100,162,335.17/65,682.09
  6. Step 6: Final answer
    x = 31,974.66

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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.