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Finding the Fourth Proportional to 35,281.94, 52,911.97 and 11,902.91

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Solution

The fourth proportional to 35,281.94, 52,911.97 and 11,902.91 is: 17,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,281.94 : 52,911.97 = 11,902.91 : x
  2. Step 2: Convert to fraction form
    35,281.94/52,911.97 = 11,902.91/x
  3. Step 3: Cross multiply
    35,281.94x = 52,911.97 × 11,902.91
  4. Step 4: Simplify right side
    35,281.94x = 629,806,416.83
  5. Step 5: Solve for x
    x = 629,806,416.83/35,281.94
  6. Step 6: Final answer
    x = 17,850.67

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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.