Home / 33,231.11-45,858.74-18,123.48

Finding the Fourth Proportional to 33,231.11, 45,858.74 and 18,123.48

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Solution

The fourth proportional to 33,231.11, 45,858.74 and 18,123.48 is: 25,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,231.11 : 45,858.74 = 18,123.48 : x
  2. Step 2: Convert to fraction form
    33,231.11/45,858.74 = 18,123.48/x
  3. Step 3: Cross multiply
    33,231.11x = 45,858.74 × 18,123.48
  4. Step 4: Simplify right side
    33,231.11x = 831,119,866.60
  5. Step 5: Solve for x
    x = 831,119,866.60/33,231.11
  6. Step 6: Final answer
    x = 25,010.30

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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.