Home / 33,231.19-45,858.48-18,123.88

Finding the Fourth Proportional to 33,231.19, 45,858.48 and 18,123.88

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Solution

The fourth proportional to 33,231.19, 45,858.48 and 18,123.88 is: 25,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,231.19 : 45,858.48 = 18,123.88 : x
  2. Step 2: Convert to fraction form
    33,231.19/45,858.48 = 18,123.88/x
  3. Step 3: Cross multiply
    33,231.19x = 45,858.48 × 18,123.88
  4. Step 4: Simplify right side
    33,231.19x = 831,133,588.50
  5. Step 5: Solve for x
    x = 831,133,588.50/33,231.19
  6. Step 6: Final answer
    x = 25,010.65

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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.