Home / 38,404.36-53,001.10-21,414.14

Finding the Fourth Proportional to 38,404.36, 53,001.10 and 21,414.14

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Solution

The fourth proportional to 38,404.36, 53,001.10 and 21,414.14 is: 29,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,404.36 : 53,001.10 = 21,414.14 : x
  2. Step 2: Convert to fraction form
    38,404.36/53,001.10 = 21,414.14/x
  3. Step 3: Cross multiply
    38,404.36x = 53,001.10 × 21,414.14
  4. Step 4: Simplify right side
    38,404.36x = 1,134,972,975.55
  5. Step 5: Solve for x
    x = 1,134,972,975.55/38,404.36
  6. Step 6: Final answer
    x = 29,553.23

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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.