Home / 38,201.99-52,716.11-21,204.90

Finding the Fourth Proportional to 38,201.99, 52,716.11 and 21,204.90

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Solution

The fourth proportional to 38,201.99, 52,716.11 and 21,204.90 is: 29,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,201.99 : 52,716.11 = 21,204.90 : x
  2. Step 2: Convert to fraction form
    38,201.99/52,716.11 = 21,204.90/x
  3. Step 3: Cross multiply
    38,201.99x = 52,716.11 × 21,204.90
  4. Step 4: Simplify right side
    38,201.99x = 1,117,839,840.94
  5. Step 5: Solve for x
    x = 1,117,839,840.94/38,201.99
  6. Step 6: Final answer
    x = 29,261.30

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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.