Home / 29,869.33-41,224.39-21,829.42

Finding the Fourth Proportional to 29,869.33, 41,224.39 and 21,829.42

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Solution

The fourth proportional to 29,869.33, 41,224.39 and 21,829.42 is: 30,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,869.33 : 41,224.39 = 21,829.42 : x
  2. Step 2: Convert to fraction form
    29,869.33/41,224.39 = 21,829.42/x
  3. Step 3: Cross multiply
    29,869.33x = 41,224.39 × 21,829.42
  4. Step 4: Simplify right side
    29,869.33x = 899,904,759.24
  5. Step 5: Solve for x
    x = 899,904,759.24/29,869.33
  6. Step 6: Final answer
    x = 30,128.05

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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.