Home / 33,213.32-45,808.46-21,277.76

Finding the Fourth Proportional to 33,213.32, 45,808.46 and 21,277.76

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Solution

The fourth proportional to 33,213.32, 45,808.46 and 21,277.76 is: 29,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,213.32 : 45,808.46 = 21,277.76 : x
  2. Step 2: Convert to fraction form
    33,213.32/45,808.46 = 21,277.76/x
  3. Step 3: Cross multiply
    33,213.32x = 45,808.46 × 21,277.76
  4. Step 4: Simplify right side
    33,213.32x = 974,701,425.98
  5. Step 5: Solve for x
    x = 974,701,425.98/33,213.32
  6. Step 6: Final answer
    x = 29,346.71

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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.