Home / 29,850.33-41,154.41-21,666.58

Finding the Fourth Proportional to 29,850.33, 41,154.41 and 21,666.58

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Solution

The fourth proportional to 29,850.33, 41,154.41 and 21,666.58 is: 29,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,850.33 : 41,154.41 = 21,666.58 : x
  2. Step 2: Convert to fraction form
    29,850.33/41,154.41 = 21,666.58/x
  3. Step 3: Cross multiply
    29,850.33x = 41,154.41 × 21,666.58
  4. Step 4: Simplify right side
    29,850.33x = 891,675,316.62
  5. Step 5: Solve for x
    x = 891,675,316.62/29,850.33
  6. Step 6: Final answer
    x = 29,871.54

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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.