Home / 33,680.40-50,520.60-10,306.80

Finding the Fourth Proportional to 33,680.40, 50,520.60 and 10,306.80

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Solution

The fourth proportional to 33,680.40, 50,520.60 and 10,306.80 is: 15,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,680.40 : 50,520.60 = 10,306.80 : x
  2. Step 2: Convert to fraction form
    33,680.40/50,520.60 = 10,306.80/x
  3. Step 3: Cross multiply
    33,680.40x = 50,520.60 × 10,306.80
  4. Step 4: Simplify right side
    33,680.40x = 520,705,720.08
  5. Step 5: Solve for x
    x = 520,705,720.08/33,680.40
  6. Step 6: Final answer
    x = 15,460.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.