Home / 54,316.17-81,474.26-19,247.63

Finding the Fourth Proportional to 54,316.17, 81,474.26 and 19,247.63

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Solution

The fourth proportional to 54,316.17, 81,474.26 and 19,247.63 is: 28,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316.17 : 81,474.26 = 19,247.63 : x
  2. Step 2: Convert to fraction form
    54,316.17/81,474.26 = 19,247.63/x
  3. Step 3: Cross multiply
    54,316.17x = 81,474.26 × 19,247.63
  4. Step 4: Simplify right side
    54,316.17x = 1,568,185,907.39
  5. Step 5: Solve for x
    x = 1,568,185,907.39/54,316.17
  6. Step 6: Final answer
    x = 28,871.44

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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.