Home / 38,629.88-57,970.79-13,669.83

Finding the Fourth Proportional to 38,629.88, 57,970.79 and 13,669.83

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Solution

The fourth proportional to 38,629.88, 57,970.79 and 13,669.83 is: 20,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,629.88 : 57,970.79 = 13,669.83 : x
  2. Step 2: Convert to fraction form
    38,629.88/57,970.79 = 13,669.83/x
  3. Step 3: Cross multiply
    38,629.88x = 57,970.79 × 13,669.83
  4. Step 4: Simplify right side
    38,629.88x = 792,450,844.27
  5. Step 5: Solve for x
    x = 792,450,844.27/38,629.88
  6. Step 6: Final answer
    x = 20,513.93

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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.