Home / 54,917.39-75,789.27-31,046.29

Finding the Fourth Proportional to 54,917.39, 75,789.27 and 31,046.29

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Solution

The fourth proportional to 54,917.39, 75,789.27 and 31,046.29 is: 42,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917.39 : 75,789.27 = 31,046.29 : x
  2. Step 2: Convert to fraction form
    54,917.39/75,789.27 = 31,046.29/x
  3. Step 3: Cross multiply
    54,917.39x = 75,789.27 × 31,046.29
  4. Step 4: Simplify right side
    54,917.39x = 2,352,975,465.84
  5. Step 5: Solve for x
    x = 2,352,975,465.84/54,917.39
  6. Step 6: Final answer
    x = 42,845.72

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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.