Home / 33,177.40-45,794.24-21,855.16

Finding the Fourth Proportional to 33,177.40, 45,794.24 and 21,855.16

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Solution

The fourth proportional to 33,177.40, 45,794.24 and 21,855.16 is: 30,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,177.40 : 45,794.24 = 21,855.16 : x
  2. Step 2: Convert to fraction form
    33,177.40/45,794.24 = 21,855.16/x
  3. Step 3: Cross multiply
    33,177.40x = 45,794.24 × 21,855.16
  4. Step 4: Simplify right side
    33,177.40x = 1,000,840,442.28
  5. Step 5: Solve for x
    x = 1,000,840,442.28/33,177.40
  6. Step 6: Final answer
    x = 30,166.33

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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.