Home / 54,972.37-75,857.69-31,100.58

Finding the Fourth Proportional to 54,972.37, 75,857.69 and 31,100.58

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Solution

The fourth proportional to 54,972.37, 75,857.69 and 31,100.58 is: 42,916.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,972.37 : 75,857.69 = 31,100.58 : x
  2. Step 2: Convert to fraction form
    54,972.37/75,857.69 = 31,100.58/x
  3. Step 3: Cross multiply
    54,972.37x = 75,857.69 × 31,100.58
  4. Step 4: Simplify right side
    54,972.37x = 2,359,218,360.09
  5. Step 5: Solve for x
    x = 2,359,218,360.09/54,972.37
  6. Step 6: Final answer
    x = 42,916.44

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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.