Home / 51,264.20-76,930.70-17,984.20

Finding the Fourth Proportional to 51,264.20, 76,930.70 and 17,984.20

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Solution

The fourth proportional to 51,264.20, 76,930.70 and 17,984.20 is: 26,988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,264.20 : 76,930.70 = 17,984.20 : x
  2. Step 2: Convert to fraction form
    51,264.20/76,930.70 = 17,984.20/x
  3. Step 3: Cross multiply
    51,264.20x = 76,930.70 × 17,984.20
  4. Step 4: Simplify right side
    51,264.20x = 1,383,537,094.94
  5. Step 5: Solve for x
    x = 1,383,537,094.94/51,264.20
  6. Step 6: Final answer
    x = 26,988.37

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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.