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Finding the Fourth Proportional to 39,962, 59,944.08 and 12,260

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Solution

The fourth proportional to 39,962, 59,944.08 and 12,260 is: 18,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,962 : 59,944.08 = 12,260 : x
  2. Step 2: Convert to fraction form
    39,962/59,944.08 = 12,260/x
  3. Step 3: Cross multiply
    39,962x = 59,944.08 × 12,260
  4. Step 4: Simplify right side
    39,962x = 734,914,420.80
  5. Step 5: Solve for x
    x = 734,914,420.80/39,962
  6. Step 6: Final answer
    x = 18,390.33

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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.