Home / 33,270.57-45,911.79-18,929.07

Finding the Fourth Proportional to 33,270.57, 45,911.79 and 18,929.07

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Solution

The fourth proportional to 33,270.57, 45,911.79 and 18,929.07 is: 26,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,270.57 : 45,911.79 = 18,929.07 : x
  2. Step 2: Convert to fraction form
    33,270.57/45,911.79 = 18,929.07/x
  3. Step 3: Cross multiply
    33,270.57x = 45,911.79 × 18,929.07
  4. Step 4: Simplify right side
    33,270.57x = 869,067,486.74
  5. Step 5: Solve for x
    x = 869,067,486.74/33,270.57
  6. Step 6: Final answer
    x = 26,121.21

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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.