Home / 33,105.40-45,685.48-18,958.24

Finding the Fourth Proportional to 33,105.40, 45,685.48 and 18,958.24

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Solution

The fourth proportional to 33,105.40, 45,685.48 and 18,958.24 is: 26,162.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,105.40 : 45,685.48 = 18,958.24 : x
  2. Step 2: Convert to fraction form
    33,105.40/45,685.48 = 18,958.24/x
  3. Step 3: Cross multiply
    33,105.40x = 45,685.48 × 18,958.24
  4. Step 4: Simplify right side
    33,105.40x = 866,116,294.36
  5. Step 5: Solve for x
    x = 866,116,294.36/33,105.40
  6. Step 6: Final answer
    x = 26,162.39

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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.