Home / 54,048.11-81,039.81-18,497.57

Finding the Fourth Proportional to 54,048.11, 81,039.81 and 18,497.57

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Solution

The fourth proportional to 54,048.11, 81,039.81 and 18,497.57 is: 27,735.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,048.11 : 81,039.81 = 18,497.57 : x
  2. Step 2: Convert to fraction form
    54,048.11/81,039.81 = 18,497.57/x
  3. Step 3: Cross multiply
    54,048.11x = 81,039.81 × 18,497.57
  4. Step 4: Simplify right side
    54,048.11x = 1,499,039,060.57
  5. Step 5: Solve for x
    x = 1,499,039,060.57/54,048.11
  6. Step 6: Final answer
    x = 27,735.28

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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.