Home / 38,675.33-53,369.92-21,907.25

Finding the Fourth Proportional to 38,675.33, 53,369.92 and 21,907.25

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Solution

The fourth proportional to 38,675.33, 53,369.92 and 21,907.25 is: 30,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,675.33 : 53,369.92 = 21,907.25 : x
  2. Step 2: Convert to fraction form
    38,675.33/53,369.92 = 21,907.25/x
  3. Step 3: Cross multiply
    38,675.33x = 53,369.92 × 21,907.25
  4. Step 4: Simplify right side
    38,675.33x = 1,169,188,179.92
  5. Step 5: Solve for x
    x = 1,169,188,179.92/38,675.33
  6. Step 6: Final answer
    x = 30,230.85

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1.5x scale

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.