Home / 31,956.50-47,917.88-16,972.02

Finding the Fourth Proportional to 31,956.50, 47,917.88 and 16,972.02

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Solution

The fourth proportional to 31,956.50, 47,917.88 and 16,972.02 is: 25,449.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,956.50 : 47,917.88 = 16,972.02 : x
  2. Step 2: Convert to fraction form
    31,956.50/47,917.88 = 16,972.02/x
  3. Step 3: Cross multiply
    31,956.50x = 47,917.88 × 16,972.02
  4. Step 4: Simplify right side
    31,956.50x = 813,263,217.72
  5. Step 5: Solve for x
    x = 813,263,217.72/31,956.50
  6. Step 6: Final answer
    x = 25,449.07

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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.