Home / 19,976.45-29,936.10-14,669.82

Finding the Fourth Proportional to 19,976.45, 29,936.10 and 14,669.82

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Solution

The fourth proportional to 19,976.45, 29,936.10 and 14,669.82 is: 21,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.45 : 29,936.10 = 14,669.82 : x
  2. Step 2: Convert to fraction form
    19,976.45/29,936.10 = 14,669.82/x
  3. Step 3: Cross multiply
    19,976.45x = 29,936.10 × 14,669.82
  4. Step 4: Simplify right side
    19,976.45x = 439,157,198.50
  5. Step 5: Solve for x
    x = 439,157,198.50/19,976.45
  6. Step 6: Final answer
    x = 21,983.75

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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.