Home / 33,430.20-50,169.60-13,722.90

Finding the Fourth Proportional to 33,430.20, 50,169.60 and 13,722.90

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Solution

The fourth proportional to 33,430.20, 50,169.60 and 13,722.90 is: 20,594.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,430.20 : 50,169.60 = 13,722.90 : x
  2. Step 2: Convert to fraction form
    33,430.20/50,169.60 = 13,722.90/x
  3. Step 3: Cross multiply
    33,430.20x = 50,169.60 × 13,722.90
  4. Step 4: Simplify right side
    33,430.20x = 688,472,403.84
  5. Step 5: Solve for x
    x = 688,472,403.84/33,430.20
  6. Step 6: Final answer
    x = 20,594.33

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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.