Home / 54,234.77-81,321-28,903.09

Finding the Fourth Proportional to 54,234.77, 81,321 and 28,903.09

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Solution

The fourth proportional to 54,234.77, 81,321 and 28,903.09 is: 43,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234.77 : 81,321 = 28,903.09 : x
  2. Step 2: Convert to fraction form
    54,234.77/81,321 = 28,903.09/x
  3. Step 3: Cross multiply
    54,234.77x = 81,321 × 28,903.09
  4. Step 4: Simplify right side
    54,234.77x = 2,350,428,181.89
  5. Step 5: Solve for x
    x = 2,350,428,181.89/54,234.77
  6. Step 6: Final answer
    x = 43,338.03

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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.