Home / 33,088.56-45,662.94-20,348.58

Finding the Fourth Proportional to 33,088.56, 45,662.94 and 20,348.58

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Solution

The fourth proportional to 33,088.56, 45,662.94 and 20,348.58 is: 28,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,088.56 : 45,662.94 = 20,348.58 : x
  2. Step 2: Convert to fraction form
    33,088.56/45,662.94 = 20,348.58/x
  3. Step 3: Cross multiply
    33,088.56x = 45,662.94 × 20,348.58
  4. Step 4: Simplify right side
    33,088.56x = 929,175,987.63
  5. Step 5: Solve for x
    x = 929,175,987.63/33,088.56
  6. Step 6: Final answer
    x = 28,081.49

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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.