Home / 33,037.92-45,573.26-21,087.81

Finding the Fourth Proportional to 33,037.92, 45,573.26 and 21,087.81

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Solution

The fourth proportional to 33,037.92, 45,573.26 and 21,087.81 is: 29,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,037.92 : 45,573.26 = 21,087.81 : x
  2. Step 2: Convert to fraction form
    33,037.92/45,573.26 = 21,087.81/x
  3. Step 3: Cross multiply
    33,037.92x = 45,573.26 × 21,087.81
  4. Step 4: Simplify right side
    33,037.92x = 961,040,142.52
  5. Step 5: Solve for x
    x = 961,040,142.52/33,037.92
  6. Step 6: Final answer
    x = 29,089.00

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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.