Home / 33,695.40-50,470.20-21,885.60

Finding the Fourth Proportional to 33,695.40, 50,470.20 and 21,885.60

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Solution

The fourth proportional to 33,695.40, 50,470.20 and 21,885.60 is: 32,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,695.40 : 50,470.20 = 21,885.60 : x
  2. Step 2: Convert to fraction form
    33,695.40/50,470.20 = 21,885.60/x
  3. Step 3: Cross multiply
    33,695.40x = 50,470.20 × 21,885.60
  4. Step 4: Simplify right side
    33,695.40x = 1,104,570,609.12
  5. Step 5: Solve for x
    x = 1,104,570,609.12/33,695.40
  6. Step 6: Final answer
    x = 32,781.05

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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.