Home / 33,031.98-45,622.01-21,751.92

Finding the Fourth Proportional to 33,031.98, 45,622.01 and 21,751.92

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Solution

The fourth proportional to 33,031.98, 45,622.01 and 21,751.92 is: 30,042.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,031.98 : 45,622.01 = 21,751.92 : x
  2. Step 2: Convert to fraction form
    33,031.98/45,622.01 = 21,751.92/x
  3. Step 3: Cross multiply
    33,031.98x = 45,622.01 × 21,751.92
  4. Step 4: Simplify right side
    33,031.98x = 992,366,203.00
  5. Step 5: Solve for x
    x = 992,366,203.00/33,031.98
  6. Step 6: Final answer
    x = 30,042.59

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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.