Home / 37,081.19-51,172.10-20,085.47

Finding the Fourth Proportional to 37,081.19, 51,172.10 and 20,085.47

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Solution

The fourth proportional to 37,081.19, 51,172.10 and 20,085.47 is: 27,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,081.19 : 51,172.10 = 20,085.47 : x
  2. Step 2: Convert to fraction form
    37,081.19/51,172.10 = 20,085.47/x
  3. Step 3: Cross multiply
    37,081.19x = 51,172.10 × 20,085.47
  4. Step 4: Simplify right side
    37,081.19x = 1,027,815,323.10
  5. Step 5: Solve for x
    x = 1,027,815,323.10/37,081.19
  6. Step 6: Final answer
    x = 27,717.97

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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.