Home / 31,811.55-43,896.78-17,662.92

Finding the Fourth Proportional to 31,811.55, 43,896.78 and 17,662.92

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Solution

The fourth proportional to 31,811.55, 43,896.78 and 17,662.92 is: 24,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811.55 : 43,896.78 = 17,662.92 : x
  2. Step 2: Convert to fraction form
    31,811.55/43,896.78 = 17,662.92/x
  3. Step 3: Cross multiply
    31,811.55x = 43,896.78 × 17,662.92
  4. Step 4: Simplify right side
    31,811.55x = 775,345,313.40
  5. Step 5: Solve for x
    x = 775,345,313.40/31,811.55
  6. Step 6: Final answer
    x = 24,373.08

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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.