Home / 33,931.60-50,896.80-13,936.76

Finding the Fourth Proportional to 33,931.60, 50,896.80 and 13,936.76

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Solution

The fourth proportional to 33,931.60, 50,896.80 and 13,936.76 is: 20,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,931.60 : 50,896.80 = 13,936.76 : x
  2. Step 2: Convert to fraction form
    33,931.60/50,896.80 = 13,936.76/x
  3. Step 3: Cross multiply
    33,931.60x = 50,896.80 × 13,936.76
  4. Step 4: Simplify right side
    33,931.60x = 709,336,486.37
  5. Step 5: Solve for x
    x = 709,336,486.37/33,931.60
  6. Step 6: Final answer
    x = 20,904.89

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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.