Home / 54,467.94-81,670.48-21,149.07

Finding the Fourth Proportional to 54,467.94, 81,670.48 and 21,149.07

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Solution

The fourth proportional to 54,467.94, 81,670.48 and 21,149.07 is: 31,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,467.94 : 81,670.48 = 21,149.07 : x
  2. Step 2: Convert to fraction form
    54,467.94/81,670.48 = 21,149.07/x
  3. Step 3: Cross multiply
    54,467.94x = 81,670.48 × 21,149.07
  4. Step 4: Simplify right side
    54,467.94x = 1,727,255,028.41
  5. Step 5: Solve for x
    x = 1,727,255,028.41/54,467.94
  6. Step 6: Final answer
    x = 31,711.41

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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.