Home / 65,949.13-98,935.85-21,578.37

Finding the Fourth Proportional to 65,949.13, 98,935.85 and 21,578.37

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Solution

The fourth proportional to 65,949.13, 98,935.85 and 21,578.37 is: 32,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,949.13 : 98,935.85 = 21,578.37 : x
  2. Step 2: Convert to fraction form
    65,949.13/98,935.85 = 21,578.37/x
  3. Step 3: Cross multiply
    65,949.13x = 98,935.85 × 21,578.37
  4. Step 4: Simplify right side
    65,949.13x = 2,134,873,774.99
  5. Step 5: Solve for x
    x = 2,134,873,774.99/65,949.13
  6. Step 6: Final answer
    x = 32,371.52

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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.