Home / 33,042.22-45,622.26-20,312.74

Finding the Fourth Proportional to 33,042.22, 45,622.26 and 20,312.74

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Solution

The fourth proportional to 33,042.22, 45,622.26 and 20,312.74 is: 28,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,042.22 : 45,622.26 = 20,312.74 : x
  2. Step 2: Convert to fraction form
    33,042.22/45,622.26 = 20,312.74/x
  3. Step 3: Cross multiply
    33,042.22x = 45,622.26 × 20,312.74
  4. Step 4: Simplify right side
    33,042.22x = 926,713,162.62
  5. Step 5: Solve for x
    x = 926,713,162.62/33,042.22
  6. Step 6: Final answer
    x = 28,046.34

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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.