Home / 55,964.88-83,953.44-18,511.28

Finding the Fourth Proportional to 55,964.88, 83,953.44 and 18,511.28

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Solution

The fourth proportional to 55,964.88, 83,953.44 and 18,511.28 is: 27,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,964.88 : 83,953.44 = 18,511.28 : x
  2. Step 2: Convert to fraction form
    55,964.88/83,953.44 = 18,511.28/x
  3. Step 3: Cross multiply
    55,964.88x = 83,953.44 × 18,511.28
  4. Step 4: Simplify right side
    55,964.88x = 1,554,085,634.80
  5. Step 5: Solve for x
    x = 1,554,085,634.80/55,964.88
  6. Step 6: Final answer
    x = 27,768.94

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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.