Home / 41,855.90-62,792.95-13,778.81

Finding the Fourth Proportional to 41,855.90, 62,792.95 and 13,778.81

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Solution

The fourth proportional to 41,855.90, 62,792.95 and 13,778.81 is: 20,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,855.90 : 62,792.95 = 13,778.81 : x
  2. Step 2: Convert to fraction form
    41,855.90/62,792.95 = 13,778.81/x
  3. Step 3: Cross multiply
    41,855.90x = 62,792.95 × 13,778.81
  4. Step 4: Simplify right side
    41,855.90x = 865,212,127.39
  5. Step 5: Solve for x
    x = 865,212,127.39/41,855.90
  6. Step 6: Final answer
    x = 20,671.21

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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.