Home / 33,050.28-45,614.37-21,121.56

Finding the Fourth Proportional to 33,050.28, 45,614.37 and 21,121.56

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Solution

The fourth proportional to 33,050.28, 45,614.37 and 21,121.56 is: 29,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,050.28 : 45,614.37 = 21,121.56 : x
  2. Step 2: Convert to fraction form
    33,050.28/45,614.37 = 21,121.56/x
  3. Step 3: Cross multiply
    33,050.28x = 45,614.37 × 21,121.56
  4. Step 4: Simplify right side
    33,050.28x = 963,446,652.82
  5. Step 5: Solve for x
    x = 963,446,652.82/33,050.28
  6. Step 6: Final answer
    x = 29,150.94

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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.