Home / 51,042.56-76,485.87-21,444.21

Finding the Fourth Proportional to 51,042.56, 76,485.87 and 21,444.21

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Solution

The fourth proportional to 51,042.56, 76,485.87 and 21,444.21 is: 32,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,042.56 : 76,485.87 = 21,444.21 : x
  2. Step 2: Convert to fraction form
    51,042.56/76,485.87 = 21,444.21/x
  3. Step 3: Cross multiply
    51,042.56x = 76,485.87 × 21,444.21
  4. Step 4: Simplify right side
    51,042.56x = 1,640,179,058.31
  5. Step 5: Solve for x
    x = 1,640,179,058.31/51,042.56
  6. Step 6: Final answer
    x = 32,133.56

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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.