Home / 54,972.87-75,858.38-31,101.09

Finding the Fourth Proportional to 54,972.87, 75,858.38 and 31,101.09

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Solution

The fourth proportional to 54,972.87, 75,858.38 and 31,101.09 is: 42,917.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,972.87 : 75,858.38 = 31,101.09 : x
  2. Step 2: Convert to fraction form
    54,972.87/75,858.38 = 31,101.09/x
  3. Step 3: Cross multiply
    54,972.87x = 75,858.38 × 31,101.09
  4. Step 4: Simplify right side
    54,972.87x = 2,359,277,924.34
  5. Step 5: Solve for x
    x = 2,359,277,924.34/54,972.87
  6. Step 6: Final answer
    x = 42,917.13

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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.