Home / 41,340.75-62,020.85-13,638.75

Finding the Fourth Proportional to 41,340.75, 62,020.85 and 13,638.75

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Solution

The fourth proportional to 41,340.75, 62,020.85 and 13,638.75 is: 20,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,340.75 : 62,020.85 = 13,638.75 : x
  2. Step 2: Convert to fraction form
    41,340.75/62,020.85 = 13,638.75/x
  3. Step 3: Cross multiply
    41,340.75x = 62,020.85 × 13,638.75
  4. Step 4: Simplify right side
    41,340.75x = 845,886,799.74
  5. Step 5: Solve for x
    x = 845,886,799.74/41,340.75
  6. Step 6: Final answer
    x = 20,461.33

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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.