Home / 33,028.20-45,585.87-21,089.46

Finding the Fourth Proportional to 33,028.20, 45,585.87 and 21,089.46

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Solution

The fourth proportional to 33,028.20, 45,585.87 and 21,089.46 is: 29,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,028.20 : 45,585.87 = 21,089.46 : x
  2. Step 2: Convert to fraction form
    33,028.20/45,585.87 = 21,089.46/x
  3. Step 3: Cross multiply
    33,028.20x = 45,585.87 × 21,089.46
  4. Step 4: Simplify right side
    33,028.20x = 961,381,381.93
  5. Step 5: Solve for x
    x = 961,381,381.93/33,028.20
  6. Step 6: Final answer
    x = 29,107.90

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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.