Home / 40,890.82-61,290.06-20,844.01

Finding the Fourth Proportional to 40,890.82, 61,290.06 and 20,844.01

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Solution

The fourth proportional to 40,890.82, 61,290.06 and 20,844.01 is: 31,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,890.82 : 61,290.06 = 20,844.01 : x
  2. Step 2: Convert to fraction form
    40,890.82/61,290.06 = 20,844.01/x
  3. Step 3: Cross multiply
    40,890.82x = 61,290.06 × 20,844.01
  4. Step 4: Simplify right side
    40,890.82x = 1,277,530,623.54
  5. Step 5: Solve for x
    x = 1,277,530,623.54/40,890.82
  6. Step 6: Final answer
    x = 31,242.48

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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.