Home / 65,949.63-98,936.60-21,578.87

Finding the Fourth Proportional to 65,949.63, 98,936.60 and 21,578.87

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Solution

The fourth proportional to 65,949.63, 98,936.60 and 21,578.87 is: 32,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,949.63 : 98,936.60 = 21,578.87 : x
  2. Step 2: Convert to fraction form
    65,949.63/98,936.60 = 21,578.87/x
  3. Step 3: Cross multiply
    65,949.63x = 98,936.60 × 21,578.87
  4. Step 4: Simplify right side
    65,949.63x = 2,134,940,029.64
  5. Step 5: Solve for x
    x = 2,134,940,029.64/65,949.63
  6. Step 6: Final answer
    x = 32,372.28

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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.