Home / 51,061.90-76,546.15-21,481.82

Finding the Fourth Proportional to 51,061.90, 76,546.15 and 21,481.82

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Solution

The fourth proportional to 51,061.90, 76,546.15 and 21,481.82 is: 32,203.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,061.90 : 76,546.15 = 21,481.82 : x
  2. Step 2: Convert to fraction form
    51,061.90/76,546.15 = 21,481.82/x
  3. Step 3: Cross multiply
    51,061.90x = 76,546.15 × 21,481.82
  4. Step 4: Simplify right side
    51,061.90x = 1,644,350,615.99
  5. Step 5: Solve for x
    x = 1,644,350,615.99/51,061.90
  6. Step 6: Final answer
    x = 32,203.08

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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.