Home / 33,174.92-45,775.09-21,077.36

Finding the Fourth Proportional to 33,174.92, 45,775.09 and 21,077.36

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Solution

The fourth proportional to 33,174.92, 45,775.09 and 21,077.36 is: 29,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,174.92 : 45,775.09 = 21,077.36 : x
  2. Step 2: Convert to fraction form
    33,174.92/45,775.09 = 21,077.36/x
  3. Step 3: Cross multiply
    33,174.92x = 45,775.09 × 21,077.36
  4. Step 4: Simplify right side
    33,174.92x = 964,818,112.71
  5. Step 5: Solve for x
    x = 964,818,112.71/33,174.92
  6. Step 6: Final answer
    x = 29,082.76

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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.