Home / 41,086.16-61,638.47-13,007.90

Finding the Fourth Proportional to 41,086.16, 61,638.47 and 13,007.90

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Solution

The fourth proportional to 41,086.16, 61,638.47 and 13,007.90 is: 19,514.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,086.16 : 61,638.47 = 13,007.90 : x
  2. Step 2: Convert to fraction form
    41,086.16/61,638.47 = 13,007.90/x
  3. Step 3: Cross multiply
    41,086.16x = 61,638.47 × 13,007.90
  4. Step 4: Simplify right side
    41,086.16x = 801,786,680.68
  5. Step 5: Solve for x
    x = 801,786,680.68/41,086.16
  6. Step 6: Final answer
    x = 19,514.77

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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.