Home / 54,477.09-75,184.43-31,821.71

Finding the Fourth Proportional to 54,477.09, 75,184.43 and 31,821.71

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Solution

The fourth proportional to 54,477.09, 75,184.43 and 31,821.71 is: 43,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,477.09 : 75,184.43 = 31,821.71 : x
  2. Step 2: Convert to fraction form
    54,477.09/75,184.43 = 31,821.71/x
  3. Step 3: Cross multiply
    54,477.09x = 75,184.43 × 31,821.71
  4. Step 4: Simplify right side
    54,477.09x = 2,392,496,592.94
  5. Step 5: Solve for x
    x = 2,392,496,592.94/54,477.09
  6. Step 6: Final answer
    x = 43,917.48

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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.