Home / 38,601.63-57,907.12-13,636.57

Finding the Fourth Proportional to 38,601.63, 57,907.12 and 13,636.57

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Solution

The fourth proportional to 38,601.63, 57,907.12 and 13,636.57 is: 20,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,601.63 : 57,907.12 = 13,636.57 : x
  2. Step 2: Convert to fraction form
    38,601.63/57,907.12 = 13,636.57/x
  3. Step 3: Cross multiply
    38,601.63x = 57,907.12 × 13,636.57
  4. Step 4: Simplify right side
    38,601.63x = 789,654,495.38
  5. Step 5: Solve for x
    x = 789,654,495.38/38,601.63
  6. Step 6: Final answer
    x = 20,456.51

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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.