Home / 54,949.06-82,423.59-19,880.56

Finding the Fourth Proportional to 54,949.06, 82,423.59 and 19,880.56

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Solution

The fourth proportional to 54,949.06, 82,423.59 and 19,880.56 is: 29,820.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,949.06 : 82,423.59 = 19,880.56 : x
  2. Step 2: Convert to fraction form
    54,949.06/82,423.59 = 19,880.56/x
  3. Step 3: Cross multiply
    54,949.06x = 82,423.59 × 19,880.56
  4. Step 4: Simplify right side
    54,949.06x = 1,638,627,126.41
  5. Step 5: Solve for x
    x = 1,638,627,126.41/54,949.06
  6. Step 6: Final answer
    x = 29,820.84

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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.