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Finding the Fourth Proportional to 40,401, 60,608.07 and 11,940.84

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Solution

The fourth proportional to 40,401, 60,608.07 and 11,940.84 is: 17,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,401 : 60,608.07 = 11,940.84 : x
  2. Step 2: Convert to fraction form
    40,401/60,608.07 = 11,940.84/x
  3. Step 3: Cross multiply
    40,401x = 60,608.07 × 11,940.84
  4. Step 4: Simplify right side
    40,401x = 723,711,206.87
  5. Step 5: Solve for x
    x = 723,711,206.87/40,401
  6. Step 6: Final answer
    x = 17,913.20

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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.