Home / 33,011.56-45,528.24-21,672.37

Finding the Fourth Proportional to 33,011.56, 45,528.24 and 21,672.37

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Solution

The fourth proportional to 33,011.56, 45,528.24 and 21,672.37 is: 29,889.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011.56 : 45,528.24 = 21,672.37 : x
  2. Step 2: Convert to fraction form
    33,011.56/45,528.24 = 21,672.37/x
  3. Step 3: Cross multiply
    33,011.56x = 45,528.24 × 21,672.37
  4. Step 4: Simplify right side
    33,011.56x = 986,704,862.73
  5. Step 5: Solve for x
    x = 986,704,862.73/33,011.56
  6. Step 6: Final answer
    x = 29,889.68

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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.