Home / 29,986.85-44,885.95-20,571.81

Finding the Fourth Proportional to 29,986.85, 44,885.95 and 20,571.81

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Solution

The fourth proportional to 29,986.85, 44,885.95 and 20,571.81 is: 30,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,986.85 : 44,885.95 = 20,571.81 : x
  2. Step 2: Convert to fraction form
    29,986.85/44,885.95 = 20,571.81/x
  3. Step 3: Cross multiply
    29,986.85x = 44,885.95 × 20,571.81
  4. Step 4: Simplify right side
    29,986.85x = 923,385,334.86
  5. Step 5: Solve for x
    x = 923,385,334.86/29,986.85
  6. Step 6: Final answer
    x = 30,793.01

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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.