Home / 54,175.31-74,762.09-30,300.43

Finding the Fourth Proportional to 54,175.31, 74,762.09 and 30,300.43

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Solution

The fourth proportional to 54,175.31, 74,762.09 and 30,300.43 is: 41,814.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,175.31 : 74,762.09 = 30,300.43 : x
  2. Step 2: Convert to fraction form
    54,175.31/74,762.09 = 30,300.43/x
  3. Step 3: Cross multiply
    54,175.31x = 74,762.09 × 30,300.43
  4. Step 4: Simplify right side
    54,175.31x = 2,265,323,474.70
  5. Step 5: Solve for x
    x = 2,265,323,474.70/54,175.31
  6. Step 6: Final answer
    x = 41,814.68

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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.