Home / 54,231.07-74,838.11-30,357.72

Finding the Fourth Proportional to 54,231.07, 74,838.11 and 30,357.72

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Solution

The fourth proportional to 54,231.07, 74,838.11 and 30,357.72 is: 41,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,231.07 : 74,838.11 = 30,357.72 : x
  2. Step 2: Convert to fraction form
    54,231.07/74,838.11 = 30,357.72/x
  3. Step 3: Cross multiply
    54,231.07x = 74,838.11 × 30,357.72
  4. Step 4: Simplify right side
    54,231.07x = 2,271,914,090.41
  5. Step 5: Solve for x
    x = 2,271,914,090.41/54,231.07
  6. Step 6: Final answer
    x = 41,893.22

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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.