Home / 38,620.68-57,972.33-34,205.78

Finding the Fourth Proportional to 38,620.68, 57,972.33 and 34,205.78

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Solution

The fourth proportional to 38,620.68, 57,972.33 and 34,205.78 is: 51,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,620.68 : 57,972.33 = 34,205.78 : x
  2. Step 2: Convert to fraction form
    38,620.68/57,972.33 = 34,205.78/x
  3. Step 3: Cross multiply
    38,620.68x = 57,972.33 × 34,205.78
  4. Step 4: Simplify right side
    38,620.68x = 1,982,988,476.21
  5. Step 5: Solve for x
    x = 1,982,988,476.21/38,620.68
  6. Step 6: Final answer
    x = 51,345.25

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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.