Home / 54,949.38-82,329.80-36,903.78

Finding the Fourth Proportional to 54,949.38, 82,329.80 and 36,903.78

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Solution

The fourth proportional to 54,949.38, 82,329.80 and 36,903.78 is: 55,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,949.38 : 82,329.80 = 36,903.78 : x
  2. Step 2: Convert to fraction form
    54,949.38/82,329.80 = 36,903.78/x
  3. Step 3: Cross multiply
    54,949.38x = 82,329.80 × 36,903.78
  4. Step 4: Simplify right side
    54,949.38x = 3,038,280,610.17
  5. Step 5: Solve for x
    x = 3,038,280,610.17/54,949.38
  6. Step 6: Final answer
    x = 55,292.36

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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.