Home / 38,660.11-57,891.70-25,472.51

Finding the Fourth Proportional to 38,660.11, 57,891.70 and 25,472.51

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Solution

The fourth proportional to 38,660.11, 57,891.70 and 25,472.51 is: 38,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660.11 : 57,891.70 = 25,472.51 : x
  2. Step 2: Convert to fraction form
    38,660.11/57,891.70 = 25,472.51/x
  3. Step 3: Cross multiply
    38,660.11x = 57,891.70 × 25,472.51
  4. Step 4: Simplify right side
    38,660.11x = 1,474,646,907.17
  5. Step 5: Solve for x
    x = 1,474,646,907.17/38,660.11
  6. Step 6: Final answer
    x = 38,143.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.