Home / 33,430.83-50,145.84-8,130.48

Finding the Fourth Proportional to 33,430.83, 50,145.84 and 8,130.48

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Solution

The fourth proportional to 33,430.83, 50,145.84 and 8,130.48 is: 12,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,430.83 : 50,145.84 = 8,130.48 : x
  2. Step 2: Convert to fraction form
    33,430.83/50,145.84 = 8,130.48/x
  3. Step 3: Cross multiply
    33,430.83x = 50,145.84 × 8,130.48
  4. Step 4: Simplify right side
    33,430.83x = 407,709,749.20
  5. Step 5: Solve for x
    x = 407,709,749.20/33,430.83
  6. Step 6: Final answer
    x = 12,195.62

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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.