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Finding the Fourth Proportional to 41,065.03, 61,597.16 and 12,985.09

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Solution

The fourth proportional to 41,065.03, 61,597.16 and 12,985.09 is: 19,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,065.03 : 61,597.16 = 12,985.09 : x
  2. Step 2: Convert to fraction form
    41,065.03/61,597.16 = 12,985.09/x
  3. Step 3: Cross multiply
    41,065.03x = 61,597.16 × 12,985.09
  4. Step 4: Simplify right side
    41,065.03x = 799,844,842.60
  5. Step 5: Solve for x
    x = 799,844,842.60/41,065.03
  6. Step 6: Final answer
    x = 19,477.52

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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.