Home / 41,721.81-62,590.78-13,634.29

Finding the Fourth Proportional to 41,721.81, 62,590.78 and 13,634.29

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Solution

The fourth proportional to 41,721.81, 62,590.78 and 13,634.29 is: 20,454.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,721.81 : 62,590.78 = 13,634.29 : x
  2. Step 2: Convert to fraction form
    41,721.81/62,590.78 = 13,634.29/x
  3. Step 3: Cross multiply
    41,721.81x = 62,590.78 × 13,634.29
  4. Step 4: Simplify right side
    41,721.81x = 853,380,864.43
  5. Step 5: Solve for x
    x = 853,380,864.43/41,721.81
  6. Step 6: Final answer
    x = 20,454.07

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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.