Home / 51,060.75-76,544.43-21,480.68

Finding the Fourth Proportional to 51,060.75, 76,544.43 and 21,480.68

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Solution

The fourth proportional to 51,060.75, 76,544.43 and 21,480.68 is: 32,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,060.75 : 76,544.43 = 21,480.68 : x
  2. Step 2: Convert to fraction form
    51,060.75/76,544.43 = 21,480.68/x
  3. Step 3: Cross multiply
    51,060.75x = 76,544.43 × 21,480.68
  4. Step 4: Simplify right side
    51,060.75x = 1,644,226,023.89
  5. Step 5: Solve for x
    x = 1,644,226,023.89/51,060.75
  6. Step 6: Final answer
    x = 32,201.37

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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.