Home / 33,084.63-45,680.63-20,354.94

Finding the Fourth Proportional to 33,084.63, 45,680.63 and 20,354.94

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Solution

The fourth proportional to 33,084.63, 45,680.63 and 20,354.94 is: 28,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,084.63 : 45,680.63 = 20,354.94 : x
  2. Step 2: Convert to fraction form
    33,084.63/45,680.63 = 20,354.94/x
  3. Step 3: Cross multiply
    33,084.63x = 45,680.63 × 20,354.94
  4. Step 4: Simplify right side
    33,084.63x = 929,826,381.04
  5. Step 5: Solve for x
    x = 929,826,381.04/33,084.63
  6. Step 6: Final answer
    x = 28,104.48

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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.