Home / 41,121.64-61,686.06-11,539.72

Finding the Fourth Proportional to 41,121.64, 61,686.06 and 11,539.72

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Solution

The fourth proportional to 41,121.64, 61,686.06 and 11,539.72 is: 17,310.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,121.64 : 61,686.06 = 11,539.72 : x
  2. Step 2: Convert to fraction form
    41,121.64/61,686.06 = 11,539.72/x
  3. Step 3: Cross multiply
    41,121.64x = 61,686.06 × 11,539.72
  4. Step 4: Simplify right side
    41,121.64x = 711,839,860.30
  5. Step 5: Solve for x
    x = 711,839,860.30/41,121.64
  6. Step 6: Final answer
    x = 17,310.59

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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.