Home / 33,281.92-45,928.72-19,861.76

Finding the Fourth Proportional to 33,281.92, 45,928.72 and 19,861.76

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Solution

The fourth proportional to 33,281.92, 45,928.72 and 19,861.76 is: 27,409.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,281.92 : 45,928.72 = 19,861.76 : x
  2. Step 2: Convert to fraction form
    33,281.92/45,928.72 = 19,861.76/x
  3. Step 3: Cross multiply
    33,281.92x = 45,928.72 × 19,861.76
  4. Step 4: Simplify right side
    33,281.92x = 912,225,213.75
  5. Step 5: Solve for x
    x = 912,225,213.75/33,281.92
  6. Step 6: Final answer
    x = 27,409.03

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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.