Home / 54,363.89-81,544.74-30,940.13

Finding the Fourth Proportional to 54,363.89, 81,544.74 and 30,940.13

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Solution

The fourth proportional to 54,363.89, 81,544.74 and 30,940.13 is: 46,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,363.89 : 81,544.74 = 30,940.13 : x
  2. Step 2: Convert to fraction form
    54,363.89/81,544.74 = 30,940.13/x
  3. Step 3: Cross multiply
    54,363.89x = 81,544.74 × 30,940.13
  4. Step 4: Simplify right side
    54,363.89x = 2,523,004,448.69
  5. Step 5: Solve for x
    x = 2,523,004,448.69/54,363.89
  6. Step 6: Final answer
    x = 46,409.57

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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.