Home / 38,404.28-52,997.82-21,637.16

Finding the Fourth Proportional to 38,404.28, 52,997.82 and 21,637.16

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Solution

The fourth proportional to 38,404.28, 52,997.82 and 21,637.16 is: 29,859.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,404.28 : 52,997.82 = 21,637.16 : x
  2. Step 2: Convert to fraction form
    38,404.28/52,997.82 = 21,637.16/x
  3. Step 3: Cross multiply
    38,404.28x = 52,997.82 × 21,637.16
  4. Step 4: Simplify right side
    38,404.28x = 1,146,722,310.99
  5. Step 5: Solve for x
    x = 1,146,722,310.99/38,404.28
  6. Step 6: Final answer
    x = 29,859.23

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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.