Home / 33,430.20-50,145.30-28,246.20

Finding the Fourth Proportional to 33,430.20, 50,145.30 and 28,246.20

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Solution

The fourth proportional to 33,430.20, 50,145.30 and 28,246.20 is: 42,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,430.20 : 50,145.30 = 28,246.20 : x
  2. Step 2: Convert to fraction form
    33,430.20/50,145.30 = 28,246.20/x
  3. Step 3: Cross multiply
    33,430.20x = 50,145.30 × 28,246.20
  4. Step 4: Simplify right side
    33,430.20x = 1,416,414,172.86
  5. Step 5: Solve for x
    x = 1,416,414,172.86/33,430.20
  6. Step 6: Final answer
    x = 42,369.30

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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.