Home / 39,481.14-59,143.56-20,733.06

Finding the Fourth Proportional to 39,481.14, 59,143.56 and 20,733.06

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Solution

The fourth proportional to 39,481.14, 59,143.56 and 20,733.06 is: 31,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,481.14 : 59,143.56 = 20,733.06 : x
  2. Step 2: Convert to fraction form
    39,481.14/59,143.56 = 20,733.06/x
  3. Step 3: Cross multiply
    39,481.14x = 59,143.56 × 20,733.06
  4. Step 4: Simplify right side
    39,481.14x = 1,226,226,978.09
  5. Step 5: Solve for x
    x = 1,226,226,978.09/39,481.14
  6. Step 6: Final answer
    x = 31,058.55

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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.