Home / 41,920.70-62,867.69-13,835.54

Finding the Fourth Proportional to 41,920.70, 62,867.69 and 13,835.54

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Solution

The fourth proportional to 41,920.70, 62,867.69 and 13,835.54 is: 20,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,920.70 : 62,867.69 = 13,835.54 : x
  2. Step 2: Convert to fraction form
    41,920.70/62,867.69 = 13,835.54/x
  3. Step 3: Cross multiply
    41,920.70x = 62,867.69 × 13,835.54
  4. Step 4: Simplify right side
    41,920.70x = 869,808,370.52
  5. Step 5: Solve for x
    x = 869,808,370.52/41,920.70
  6. Step 6: Final answer
    x = 20,748.90

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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.