Home / 33,278.85-45,929.43-19,131.39

Finding the Fourth Proportional to 33,278.85, 45,929.43 and 19,131.39

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Solution

The fourth proportional to 33,278.85, 45,929.43 and 19,131.39 is: 26,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.85 : 45,929.43 = 19,131.39 : x
  2. Step 2: Convert to fraction form
    33,278.85/45,929.43 = 19,131.39/x
  3. Step 3: Cross multiply
    33,278.85x = 45,929.43 × 19,131.39
  4. Step 4: Simplify right side
    33,278.85x = 878,693,837.81
  5. Step 5: Solve for x
    x = 878,693,837.81/33,278.85
  6. Step 6: Final answer
    x = 26,403.97

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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.