Home / 54,971.64-82,447.98-15,519.54

Finding the Fourth Proportional to 54,971.64, 82,447.98 and 15,519.54

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Solution

The fourth proportional to 54,971.64, 82,447.98 and 15,519.54 is: 23,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,971.64 : 82,447.98 = 15,519.54 : x
  2. Step 2: Convert to fraction form
    54,971.64/82,447.98 = 15,519.54/x
  3. Step 3: Cross multiply
    54,971.64x = 82,447.98 × 15,519.54
  4. Step 4: Simplify right side
    54,971.64x = 1,279,554,723.53
  5. Step 5: Solve for x
    x = 1,279,554,723.53/54,971.64
  6. Step 6: Final answer
    x = 23,276.63

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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.