Home / 40,659.09-61,044.61-20,682.11

Finding the Fourth Proportional to 40,659.09, 61,044.61 and 20,682.11

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Solution

The fourth proportional to 40,659.09, 61,044.61 and 20,682.11 is: 31,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,659.09 : 61,044.61 = 20,682.11 : x
  2. Step 2: Convert to fraction form
    40,659.09/61,044.61 = 20,682.11/x
  3. Step 3: Cross multiply
    40,659.09x = 61,044.61 × 20,682.11
  4. Step 4: Simplify right side
    40,659.09x = 1,262,531,046.15
  5. Step 5: Solve for x
    x = 1,262,531,046.15/40,659.09
  6. Step 6: Final answer
    x = 31,051.63

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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.