Home / 54,736.20-82,104.30-31,343.40

Finding the Fourth Proportional to 54,736.20, 82,104.30 and 31,343.40

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Solution

The fourth proportional to 54,736.20, 82,104.30 and 31,343.40 is: 47,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,736.20 : 82,104.30 = 31,343.40 : x
  2. Step 2: Convert to fraction form
    54,736.20/82,104.30 = 31,343.40/x
  3. Step 3: Cross multiply
    54,736.20x = 82,104.30 × 31,343.40
  4. Step 4: Simplify right side
    54,736.20x = 2,573,427,916.62
  5. Step 5: Solve for x
    x = 2,573,427,916.62/54,736.20
  6. Step 6: Final answer
    x = 47,015.10

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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.