Home / 31,835,034.92-43,901,138.36-20,212,420.25

Finding the Fourth Proportional to 31,835,034.92, 43,901,138.36 and 20,212,420.25

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Solution

The fourth proportional to 31,835,034.92, 43,901,138.36 and 20,212,420.25 is: 27,873,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835,034.92 : 43,901,138.36 = 20,212,420.25 : x
  2. Step 2: Convert to fraction form
    31,835,034.92/43,901,138.36 = 20,212,420.25/x
  3. Step 3: Cross multiply
    31,835,034.92x = 43,901,138.36 × 20,212,420.25
  4. Step 4: Simplify right side
    31,835,034.92x = 887,348,258,145,999.62
  5. Step 5: Solve for x
    x = 887,348,258,145,999.62/31,835,034.92
  6. Step 6: Final answer
    x = 27,873,324.48

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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.