Home / 51,982.96-71,736.91-28,700.14

Finding the Fourth Proportional to 51,982.96, 71,736.91 and 28,700.14

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Solution

The fourth proportional to 51,982.96, 71,736.91 and 28,700.14 is: 39,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,982.96 : 71,736.91 = 28,700.14 : x
  2. Step 2: Convert to fraction form
    51,982.96/71,736.91 = 28,700.14/x
  3. Step 3: Cross multiply
    51,982.96x = 71,736.91 × 28,700.14
  4. Step 4: Simplify right side
    51,982.96x = 2,058,859,360.17
  5. Step 5: Solve for x
    x = 2,058,859,360.17/51,982.96
  6. Step 6: Final answer
    x = 39,606.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.