Home / 41,838.90-62,766.31-13,767.05

Finding the Fourth Proportional to 41,838.90, 62,766.31 and 13,767.05

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Solution

The fourth proportional to 41,838.90, 62,766.31 and 13,767.05 is: 20,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,838.90 : 62,766.31 = 13,767.05 : x
  2. Step 2: Convert to fraction form
    41,838.90/62,766.31 = 13,767.05/x
  3. Step 3: Cross multiply
    41,838.90x = 62,766.31 × 13,767.05
  4. Step 4: Simplify right side
    41,838.90x = 864,107,017.17
  5. Step 5: Solve for x
    x = 864,107,017.17/41,838.90
  6. Step 6: Final answer
    x = 20,653.19

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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.