Home / 54,076.28-74,519.89-38,940.37

Finding the Fourth Proportional to 54,076.28, 74,519.89 and 38,940.37

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Solution

The fourth proportional to 54,076.28, 74,519.89 and 38,940.37 is: 53,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,076.28 : 74,519.89 = 38,940.37 : x
  2. Step 2: Convert to fraction form
    54,076.28/74,519.89 = 38,940.37/x
  3. Step 3: Cross multiply
    54,076.28x = 74,519.89 × 38,940.37
  4. Step 4: Simplify right side
    54,076.28x = 2,901,831,960.14
  5. Step 5: Solve for x
    x = 2,901,831,960.14/54,076.28
  6. Step 6: Final answer
    x = 53,661.82

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1.5x scale

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.