Home / 33,931.75-50,919.54-13,155.25

Finding the Fourth Proportional to 33,931.75, 50,919.54 and 13,155.25

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Solution

The fourth proportional to 33,931.75, 50,919.54 and 13,155.25 is: 19,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,931.75 : 50,919.54 = 13,155.25 : x
  2. Step 2: Convert to fraction form
    33,931.75/50,919.54 = 13,155.25/x
  3. Step 3: Cross multiply
    33,931.75x = 50,919.54 × 13,155.25
  4. Step 4: Simplify right side
    33,931.75x = 669,859,278.59
  5. Step 5: Solve for x
    x = 669,859,278.59/33,931.75
  6. Step 6: Final answer
    x = 19,741.37

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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.