Home / 51,963.12-77,936.04-18,676.44

Finding the Fourth Proportional to 51,963.12, 77,936.04 and 18,676.44

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Solution

The fourth proportional to 51,963.12, 77,936.04 and 18,676.44 is: 28,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,963.12 : 77,936.04 = 18,676.44 : x
  2. Step 2: Convert to fraction form
    51,963.12/77,936.04 = 18,676.44/x
  3. Step 3: Cross multiply
    51,963.12x = 77,936.04 × 18,676.44
  4. Step 4: Simplify right side
    51,963.12x = 1,455,567,774.90
  5. Step 5: Solve for x
    x = 1,455,567,774.90/51,963.12
  6. Step 6: Final answer
    x = 28,011.55

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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.