Home / 33,031.73-45,621.65-21,751.66

Finding the Fourth Proportional to 33,031.73, 45,621.65 and 21,751.66

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Solution

The fourth proportional to 33,031.73, 45,621.65 and 21,751.66 is: 30,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,031.73 : 45,621.65 = 21,751.66 : x
  2. Step 2: Convert to fraction form
    33,031.73/45,621.65 = 21,751.66/x
  3. Step 3: Cross multiply
    33,031.73x = 45,621.65 × 21,751.66
  4. Step 4: Simplify right side
    33,031.73x = 992,346,619.44
  5. Step 5: Solve for x
    x = 992,346,619.44/33,031.73
  6. Step 6: Final answer
    x = 30,042.22

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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.