Home / 52,831.90-79,249.12-17,771.56

Finding the Fourth Proportional to 52,831.90, 79,249.12 and 17,771.56

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Solution

The fourth proportional to 52,831.90, 79,249.12 and 17,771.56 is: 26,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,831.90 : 79,249.12 = 17,771.56 : x
  2. Step 2: Convert to fraction form
    52,831.90/79,249.12 = 17,771.56/x
  3. Step 3: Cross multiply
    52,831.90x = 79,249.12 × 17,771.56
  4. Step 4: Simplify right side
    52,831.90x = 1,408,380,491.03
  5. Step 5: Solve for x
    x = 1,408,380,491.03/52,831.90
  6. Step 6: Final answer
    x = 26,657.77

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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.