Home / 38,644.56-53,327.97-21,877.56

Finding the Fourth Proportional to 38,644.56, 53,327.97 and 21,877.56

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Solution

The fourth proportional to 38,644.56, 53,327.97 and 21,877.56 is: 30,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,644.56 : 53,327.97 = 21,877.56 : x
  2. Step 2: Convert to fraction form
    38,644.56/53,327.97 = 21,877.56/x
  3. Step 3: Cross multiply
    38,644.56x = 53,327.97 × 21,877.56
  4. Step 4: Simplify right side
    38,644.56x = 1,166,685,863.35
  5. Step 5: Solve for x
    x = 1,166,685,863.35/38,644.56
  6. Step 6: Final answer
    x = 30,190.17

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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.