Home / 31,956.18-47,955.87-11,179.86

Finding the Fourth Proportional to 31,956.18, 47,955.87 and 11,179.86

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Solution

The fourth proportional to 31,956.18, 47,955.87 and 11,179.86 is: 16,777.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,956.18 : 47,955.87 = 11,179.86 : x
  2. Step 2: Convert to fraction form
    31,956.18/47,955.87 = 11,179.86/x
  3. Step 3: Cross multiply
    31,956.18x = 47,955.87 × 11,179.86
  4. Step 4: Simplify right side
    31,956.18x = 536,139,912.78
  5. Step 5: Solve for x
    x = 536,139,912.78/31,956.18
  6. Step 6: Final answer
    x = 16,777.35

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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.