Home / 54,047.28-74,582.15-30,175.47

Finding the Fourth Proportional to 54,047.28, 74,582.15 and 30,175.47

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Solution

The fourth proportional to 54,047.28, 74,582.15 and 30,175.47 is: 41,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,047.28 : 74,582.15 = 30,175.47 : x
  2. Step 2: Convert to fraction form
    54,047.28/74,582.15 = 30,175.47/x
  3. Step 3: Cross multiply
    54,047.28x = 74,582.15 × 30,175.47
  4. Step 4: Simplify right side
    54,047.28x = 2,250,551,505.30
  5. Step 5: Solve for x
    x = 2,250,551,505.30/54,047.28
  6. Step 6: Final answer
    x = 41,640.42

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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.