Home / 54,071.74-81,109.84-18,557.46

Finding the Fourth Proportional to 54,071.74, 81,109.84 and 18,557.46

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Solution

The fourth proportional to 54,071.74, 81,109.84 and 18,557.46 is: 27,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,071.74 : 81,109.84 = 18,557.46 : x
  2. Step 2: Convert to fraction form
    54,071.74/81,109.84 = 18,557.46/x
  3. Step 3: Cross multiply
    54,071.74x = 81,109.84 × 18,557.46
  4. Step 4: Simplify right side
    54,071.74x = 1,505,192,611.41
  5. Step 5: Solve for x
    x = 1,505,192,611.41/54,071.74
  6. Step 6: Final answer
    x = 27,836.96

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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.