Home / 38,492.86-57,717.24-11,831.92

Finding the Fourth Proportional to 38,492.86, 57,717.24 and 11,831.92

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Solution

The fourth proportional to 38,492.86, 57,717.24 and 11,831.92 is: 17,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,492.86 : 57,717.24 = 11,831.92 : x
  2. Step 2: Convert to fraction form
    38,492.86/57,717.24 = 11,831.92/x
  3. Step 3: Cross multiply
    38,492.86x = 57,717.24 × 11,831.92
  4. Step 4: Simplify right side
    38,492.86x = 682,905,766.30
  5. Step 5: Solve for x
    x = 682,905,766.30/38,492.86
  6. Step 6: Final answer
    x = 17,741.10

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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.