Home / 54,312.78-81,469.44-16,872.06

Finding the Fourth Proportional to 54,312.78, 81,469.44 and 16,872.06

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Solution

The fourth proportional to 54,312.78, 81,469.44 and 16,872.06 is: 25,308.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312.78 : 81,469.44 = 16,872.06 : x
  2. Step 2: Convert to fraction form
    54,312.78/81,469.44 = 16,872.06/x
  3. Step 3: Cross multiply
    54,312.78x = 81,469.44 × 16,872.06
  4. Step 4: Simplify right side
    54,312.78x = 1,374,557,279.85
  5. Step 5: Solve for x
    x = 1,374,557,279.85/54,312.78
  6. Step 6: Final answer
    x = 25,308.17

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1.5x scale

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.