Home / 54,223.32-81,339.09-16,787.35

Finding the Fourth Proportional to 54,223.32, 81,339.09 and 16,787.35

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Solution

The fourth proportional to 54,223.32, 81,339.09 and 16,787.35 is: 25,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,223.32 : 81,339.09 = 16,787.35 : x
  2. Step 2: Convert to fraction form
    54,223.32/81,339.09 = 16,787.35/x
  3. Step 3: Cross multiply
    54,223.32x = 81,339.09 × 16,787.35
  4. Step 4: Simplify right side
    54,223.32x = 1,365,467,811.23
  5. Step 5: Solve for x
    x = 1,365,467,811.23/54,223.32
  6. Step 6: Final answer
    x = 25,182.30

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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.