Home / 33,157.28-49,749.60-13,430.82

Finding the Fourth Proportional to 33,157.28, 49,749.60 and 13,430.82

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Solution

The fourth proportional to 33,157.28, 49,749.60 and 13,430.82 is: 20,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,157.28 : 49,749.60 = 13,430.82 : x
  2. Step 2: Convert to fraction form
    33,157.28/49,749.60 = 13,430.82/x
  3. Step 3: Cross multiply
    33,157.28x = 49,749.60 × 13,430.82
  4. Step 4: Simplify right side
    33,157.28x = 668,177,922.67
  5. Step 5: Solve for x
    x = 668,177,922.67/33,157.28
  6. Step 6: Final answer
    x = 20,151.77

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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.