Home / 31,808.08-43,893.12-17,660.92

Finding the Fourth Proportional to 31,808.08, 43,893.12 and 17,660.92

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Solution

The fourth proportional to 31,808.08, 43,893.12 and 17,660.92 is: 24,370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,808.08 : 43,893.12 = 17,660.92 : x
  2. Step 2: Convert to fraction form
    31,808.08/43,893.12 = 17,660.92/x
  3. Step 3: Cross multiply
    31,808.08x = 43,893.12 × 17,660.92
  4. Step 4: Simplify right side
    31,808.08x = 775,192,880.87
  5. Step 5: Solve for x
    x = 775,192,880.87/31,808.08
  6. Step 6: Final answer
    x = 24,370.94

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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.