Home / 33,228.11-45,828.78-21,292.58

Finding the Fourth Proportional to 33,228.11, 45,828.78 and 21,292.58

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Solution

The fourth proportional to 33,228.11, 45,828.78 and 21,292.58 is: 29,367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,228.11 : 45,828.78 = 21,292.58 : x
  2. Step 2: Convert to fraction form
    33,228.11/45,828.78 = 21,292.58/x
  3. Step 3: Cross multiply
    33,228.11x = 45,828.78 × 21,292.58
  4. Step 4: Simplify right side
    33,228.11x = 975,812,964.45
  5. Step 5: Solve for x
    x = 975,812,964.45/33,228.11
  6. Step 6: Final answer
    x = 29,367.09

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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.