Home / 38,338.10-52,906.47-21,571.10

Finding the Fourth Proportional to 38,338.10, 52,906.47 and 21,571.10

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Solution

The fourth proportional to 38,338.10, 52,906.47 and 21,571.10 is: 29,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,338.10 : 52,906.47 = 21,571.10 : x
  2. Step 2: Convert to fraction form
    38,338.10/52,906.47 = 21,571.10/x
  3. Step 3: Cross multiply
    38,338.10x = 52,906.47 × 21,571.10
  4. Step 4: Simplify right side
    38,338.10x = 1,141,250,755.02
  5. Step 5: Solve for x
    x = 1,141,250,755.02/38,338.10
  6. Step 6: Final answer
    x = 29,768.06

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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.