Home / 33,100.40-45,668.04-20,532.44

Finding the Fourth Proportional to 33,100.40, 45,668.04 and 20,532.44

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Solution

The fourth proportional to 33,100.40, 45,668.04 and 20,532.44 is: 28,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,100.40 : 45,668.04 = 20,532.44 : x
  2. Step 2: Convert to fraction form
    33,100.40/45,668.04 = 20,532.44/x
  3. Step 3: Cross multiply
    33,100.40x = 45,668.04 × 20,532.44
  4. Step 4: Simplify right side
    33,100.40x = 937,676,291.22
  5. Step 5: Solve for x
    x = 937,676,291.22/33,100.40
  6. Step 6: Final answer
    x = 28,328.25

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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.