Home / 33,230.19-45,857.10-18,122.88

Finding the Fourth Proportional to 33,230.19, 45,857.10 and 18,122.88

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Solution

The fourth proportional to 33,230.19, 45,857.10 and 18,122.88 is: 25,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,230.19 : 45,857.10 = 18,122.88 : x
  2. Step 2: Convert to fraction form
    33,230.19/45,857.10 = 18,122.88/x
  3. Step 3: Cross multiply
    33,230.19x = 45,857.10 × 18,122.88
  4. Step 4: Simplify right side
    33,230.19x = 831,062,720.45
  5. Step 5: Solve for x
    x = 831,062,720.45/33,230.19
  6. Step 6: Final answer
    x = 25,009.27

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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.