Home / 31,334.97-43,217.82-19,404.93

Finding the Fourth Proportional to 31,334.97, 43,217.82 and 19,404.93

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Solution

The fourth proportional to 31,334.97, 43,217.82 and 19,404.93 is: 26,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.97 : 43,217.82 = 19,404.93 : x
  2. Step 2: Convert to fraction form
    31,334.97/43,217.82 = 19,404.93/x
  3. Step 3: Cross multiply
    31,334.97x = 43,217.82 × 19,404.93
  4. Step 4: Simplify right side
    31,334.97x = 838,638,771.85
  5. Step 5: Solve for x
    x = 838,638,771.85/31,334.97
  6. Step 6: Final answer
    x = 26,763.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.