Home / 40,672.04-61,010.22-12,611.48

Finding the Fourth Proportional to 40,672.04, 61,010.22 and 12,611.48

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Solution

The fourth proportional to 40,672.04, 61,010.22 and 12,611.48 is: 18,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,672.04 : 61,010.22 = 12,611.48 : x
  2. Step 2: Convert to fraction form
    40,672.04/61,010.22 = 12,611.48/x
  3. Step 3: Cross multiply
    40,672.04x = 61,010.22 × 12,611.48
  4. Step 4: Simplify right side
    40,672.04x = 769,428,864.27
  5. Step 5: Solve for x
    x = 769,428,864.27/40,672.04
  6. Step 6: Final answer
    x = 18,917.88

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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.