Home / 30,112.53-41,551.86-16,680.43

Finding the Fourth Proportional to 30,112.53, 41,551.86 and 16,680.43

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Solution

The fourth proportional to 30,112.53, 41,551.86 and 16,680.43 is: 23,017.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.53 : 41,551.86 = 16,680.43 : x
  2. Step 2: Convert to fraction form
    30,112.53/41,551.86 = 16,680.43/x
  3. Step 3: Cross multiply
    30,112.53x = 41,551.86 × 16,680.43
  4. Step 4: Simplify right side
    30,112.53x = 693,102,892.10
  5. Step 5: Solve for x
    x = 693,102,892.10/30,112.53
  6. Step 6: Final answer
    x = 23,017.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.