Home / 41,218.74-61,827.44-13,138.42

Finding the Fourth Proportional to 41,218.74, 61,827.44 and 13,138.42

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Solution

The fourth proportional to 41,218.74, 61,827.44 and 13,138.42 is: 19,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,218.74 : 61,827.44 = 13,138.42 : x
  2. Step 2: Convert to fraction form
    41,218.74/61,827.44 = 13,138.42/x
  3. Step 3: Cross multiply
    41,218.74x = 61,827.44 × 13,138.42
  4. Step 4: Simplify right side
    41,218.74x = 812,314,874.24
  5. Step 5: Solve for x
    x = 812,314,874.24/41,218.74
  6. Step 6: Final answer
    x = 19,707.42

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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.