Home / 54,436.48-81,578.14-43,293.71

Finding the Fourth Proportional to 54,436.48, 81,578.14 and 43,293.71

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Solution

The fourth proportional to 54,436.48, 81,578.14 and 43,293.71 is: 64,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,436.48 : 81,578.14 = 43,293.71 : x
  2. Step 2: Convert to fraction form
    54,436.48/81,578.14 = 43,293.71/x
  3. Step 3: Cross multiply
    54,436.48x = 81,578.14 × 43,293.71
  4. Step 4: Simplify right side
    54,436.48x = 3,531,820,431.21
  5. Step 5: Solve for x
    x = 3,531,820,431.21/54,436.48
  6. Step 6: Final answer
    x = 64,879.67

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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.