Home / 33,110.55-45,700.34-21,795.39

Finding the Fourth Proportional to 33,110.55, 45,700.34 and 21,795.39

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Solution

The fourth proportional to 33,110.55, 45,700.34 and 21,795.39 is: 30,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.55 : 45,700.34 = 21,795.39 : x
  2. Step 2: Convert to fraction form
    33,110.55/45,700.34 = 21,795.39/x
  3. Step 3: Cross multiply
    33,110.55x = 45,700.34 × 21,795.39
  4. Step 4: Simplify right side
    33,110.55x = 996,056,624.46
  5. Step 5: Solve for x
    x = 996,056,624.46/33,110.55
  6. Step 6: Final answer
    x = 30,082.76

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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.