Home / 33,084.90-45,676.10-21,787.23

Finding the Fourth Proportional to 33,084.90, 45,676.10 and 21,787.23

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Solution

The fourth proportional to 33,084.90, 45,676.10 and 21,787.23 is: 30,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,084.90 : 45,676.10 = 21,787.23 : x
  2. Step 2: Convert to fraction form
    33,084.90/45,676.10 = 21,787.23/x
  3. Step 3: Cross multiply
    33,084.90x = 45,676.10 × 21,787.23
  4. Step 4: Simplify right side
    33,084.90x = 995,155,587.27
  5. Step 5: Solve for x
    x = 995,155,587.27/33,084.90
  6. Step 6: Final answer
    x = 30,078.85

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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.