Home / 31,813.05-43,898.85-17,664.42

Finding the Fourth Proportional to 31,813.05, 43,898.85 and 17,664.42

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Solution

The fourth proportional to 31,813.05, 43,898.85 and 17,664.42 is: 24,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,813.05 : 43,898.85 = 17,664.42 : x
  2. Step 2: Convert to fraction form
    31,813.05/43,898.85 = 17,664.42/x
  3. Step 3: Cross multiply
    31,813.05x = 43,898.85 × 17,664.42
  4. Step 4: Simplify right side
    31,813.05x = 775,447,723.92
  5. Step 5: Solve for x
    x = 775,447,723.92/31,813.05
  6. Step 6: Final answer
    x = 24,375.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.