Home / 35,161.90-52,768.26-13,817.79

Finding the Fourth Proportional to 35,161.90, 52,768.26 and 13,817.79

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Solution

The fourth proportional to 35,161.90, 52,768.26 and 13,817.79 is: 20,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,161.90 : 52,768.26 = 13,817.79 : x
  2. Step 2: Convert to fraction form
    35,161.90/52,768.26 = 13,817.79/x
  3. Step 3: Cross multiply
    35,161.90x = 52,768.26 × 13,817.79
  4. Step 4: Simplify right side
    35,161.90x = 729,140,735.35
  5. Step 5: Solve for x
    x = 729,140,735.35/35,161.90
  6. Step 6: Final answer
    x = 20,736.67

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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.