Home / 51,108.10-76,674.90-17,828.44

Finding the Fourth Proportional to 51,108.10, 76,674.90 and 17,828.44

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Solution

The fourth proportional to 51,108.10, 76,674.90 and 17,828.44 is: 26,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,108.10 : 76,674.90 = 17,828.44 : x
  2. Step 2: Convert to fraction form
    51,108.10/76,674.90 = 17,828.44/x
  3. Step 3: Cross multiply
    51,108.10x = 76,674.90 × 17,828.44
  4. Step 4: Simplify right side
    51,108.10x = 1,366,993,729.33
  5. Step 5: Solve for x
    x = 1,366,993,729.33/51,108.10
  6. Step 6: Final answer
    x = 26,747.11

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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.