Home / 31,933.05-47,898.35-8,558.88

Finding the Fourth Proportional to 31,933.05, 47,898.35 and 8,558.88

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Solution

The fourth proportional to 31,933.05, 47,898.35 and 8,558.88 is: 12,837.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,933.05 : 47,898.35 = 8,558.88 : x
  2. Step 2: Convert to fraction form
    31,933.05/47,898.35 = 8,558.88/x
  3. Step 3: Cross multiply
    31,933.05x = 47,898.35 × 8,558.88
  4. Step 4: Simplify right side
    31,933.05x = 409,956,229.85
  5. Step 5: Solve for x
    x = 409,956,229.85/31,933.05
  6. Step 6: Final answer
    x = 12,837.99

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1.5x scale

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.