Home / 54,735.36-82,042.80-21,449.20

Finding the Fourth Proportional to 54,735.36, 82,042.80 and 21,449.20

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Solution

The fourth proportional to 54,735.36, 82,042.80 and 21,449.20 is: 32,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,735.36 : 82,042.80 = 21,449.20 : x
  2. Step 2: Convert to fraction form
    54,735.36/82,042.80 = 21,449.20/x
  3. Step 3: Cross multiply
    54,735.36x = 82,042.80 × 21,449.20
  4. Step 4: Simplify right side
    54,735.36x = 1,759,752,425.76
  5. Step 5: Solve for x
    x = 1,759,752,425.76/54,735.36
  6. Step 6: Final answer
    x = 32,150.19

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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.