Home / 54,809.87-75,636.18-30,936.33

Finding the Fourth Proportional to 54,809.87, 75,636.18 and 30,936.33

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Solution

The fourth proportional to 54,809.87, 75,636.18 and 30,936.33 is: 42,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,809.87 : 75,636.18 = 30,936.33 : x
  2. Step 2: Convert to fraction form
    54,809.87/75,636.18 = 30,936.33/x
  3. Step 3: Cross multiply
    54,809.87x = 75,636.18 × 30,936.33
  4. Step 4: Simplify right side
    54,809.87x = 2,339,905,824.42
  5. Step 5: Solve for x
    x = 2,339,905,824.42/54,809.87
  6. Step 6: Final answer
    x = 42,691.33

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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.