Home / 33,084.97-45,638.78-20,329.29

Finding the Fourth Proportional to 33,084.97, 45,638.78 and 20,329.29

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Solution

The fourth proportional to 33,084.97, 45,638.78 and 20,329.29 is: 28,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,084.97 : 45,638.78 = 20,329.29 : x
  2. Step 2: Convert to fraction form
    33,084.97/45,638.78 = 20,329.29/x
  3. Step 3: Cross multiply
    33,084.97x = 45,638.78 × 20,329.29
  4. Step 4: Simplify right side
    33,084.97x = 927,803,892.22
  5. Step 5: Solve for x
    x = 927,803,892.22/33,084.97
  6. Step 6: Final answer
    x = 28,043.06

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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.