Home / 54,018-74,544.66-30,143.34

Finding the Fourth Proportional to 54,018, 74,544.66 and 30,143.34

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Solution

The fourth proportional to 54,018, 74,544.66 and 30,143.34 is: 41,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,018 : 74,544.66 = 30,143.34 : x
  2. Step 2: Convert to fraction form
    54,018/74,544.66 = 30,143.34/x
  3. Step 3: Cross multiply
    54,018x = 74,544.66 × 30,143.34
  4. Step 4: Simplify right side
    54,018x = 2,247,025,031.56
  5. Step 5: Solve for x
    x = 2,247,025,031.56/54,018
  6. Step 6: Final answer
    x = 41,597.71

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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.