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Finding the Fourth Proportional to 41,040, 61,561.08 and 13,338

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Solution

The fourth proportional to 41,040, 61,561.08 and 13,338 is: 20,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,040 : 61,561.08 = 13,338 : x
  2. Step 2: Convert to fraction form
    41,040/61,561.08 = 13,338/x
  3. Step 3: Cross multiply
    41,040x = 61,561.08 × 13,338
  4. Step 4: Simplify right side
    41,040x = 821,101,685.04
  5. Step 5: Solve for x
    x = 821,101,685.04/41,040
  6. Step 6: Final answer
    x = 20,007.35

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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.