Home / 33,660.40-50,490.60-10,286.80

Finding the Fourth Proportional to 33,660.40, 50,490.60 and 10,286.80

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Solution

The fourth proportional to 33,660.40, 50,490.60 and 10,286.80 is: 15,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,660.40 : 50,490.60 = 10,286.80 : x
  2. Step 2: Convert to fraction form
    33,660.40/50,490.60 = 10,286.80/x
  3. Step 3: Cross multiply
    33,660.40x = 50,490.60 × 10,286.80
  4. Step 4: Simplify right side
    33,660.40x = 519,386,704.08
  5. Step 5: Solve for x
    x = 519,386,704.08/33,660.40
  6. Step 6: Final answer
    x = 15,430.20

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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.