Home / 38,603.97-57,914.07-13,305.79

Finding the Fourth Proportional to 38,603.97, 57,914.07 and 13,305.79

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Solution

The fourth proportional to 38,603.97, 57,914.07 and 13,305.79 is: 19,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,603.97 : 57,914.07 = 13,305.79 : x
  2. Step 2: Convert to fraction form
    38,603.97/57,914.07 = 13,305.79/x
  3. Step 3: Cross multiply
    38,603.97x = 57,914.07 × 13,305.79
  4. Step 4: Simplify right side
    38,603.97x = 770,592,277.03
  5. Step 5: Solve for x
    x = 770,592,277.03/38,603.97
  6. Step 6: Final answer
    x = 19,961.48

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1.5x scale

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.