Home / 33,230.21-45,857.12-18,122.99

Finding the Fourth Proportional to 33,230.21, 45,857.12 and 18,122.99

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Solution

The fourth proportional to 33,230.21, 45,857.12 and 18,122.99 is: 25,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,230.21 : 45,857.12 = 18,122.99 : x
  2. Step 2: Convert to fraction form
    33,230.21/45,857.12 = 18,122.99/x
  3. Step 3: Cross multiply
    33,230.21x = 45,857.12 × 18,122.99
  4. Step 4: Simplify right side
    33,230.21x = 831,067,807.29
  5. Step 5: Solve for x
    x = 831,067,807.29/33,230.21
  6. Step 6: Final answer
    x = 25,009.41

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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.