Home / 38,777.32-58,183.26-20,305

Finding the Fourth Proportional to 38,777.32, 58,183.26 and 20,305

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Solution

The fourth proportional to 38,777.32, 58,183.26 and 20,305 is: 30,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,777.32 : 58,183.26 = 20,305 : x
  2. Step 2: Convert to fraction form
    38,777.32/58,183.26 = 20,305/x
  3. Step 3: Cross multiply
    38,777.32x = 58,183.26 × 20,305
  4. Step 4: Simplify right side
    38,777.32x = 1,181,411,094.30
  5. Step 5: Solve for x
    x = 1,181,411,094.30/38,777.32
  6. Step 6: Final answer
    x = 30,466.55

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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.