Home / 51,316.12-76,982.24-21,734.12

Finding the Fourth Proportional to 51,316.12, 76,982.24 and 21,734.12

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Solution

The fourth proportional to 51,316.12, 76,982.24 and 21,734.12 is: 32,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,316.12 : 76,982.24 = 21,734.12 : x
  2. Step 2: Convert to fraction form
    51,316.12/76,982.24 = 21,734.12/x
  3. Step 3: Cross multiply
    51,316.12x = 76,982.24 × 21,734.12
  4. Step 4: Simplify right side
    51,316.12x = 1,673,141,242.03
  5. Step 5: Solve for x
    x = 1,673,141,242.03/51,316.12
  6. Step 6: Final answer
    x = 32,604.59

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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.