Home / 32,781.45-45,238.33-18,441.29

Finding the Fourth Proportional to 32,781.45, 45,238.33 and 18,441.29

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Solution

The fourth proportional to 32,781.45, 45,238.33 and 18,441.29 is: 25,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,781.45 : 45,238.33 = 18,441.29 : x
  2. Step 2: Convert to fraction form
    32,781.45/45,238.33 = 18,441.29/x
  3. Step 3: Cross multiply
    32,781.45x = 45,238.33 × 18,441.29
  4. Step 4: Simplify right side
    32,781.45x = 834,252,910.65
  5. Step 5: Solve for x
    x = 834,252,910.65/32,781.45
  6. Step 6: Final answer
    x = 25,448.94

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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.