Home / 40,869.43-61,296.44-12,785.27

Finding the Fourth Proportional to 40,869.43, 61,296.44 and 12,785.27

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Solution

The fourth proportional to 40,869.43, 61,296.44 and 12,785.27 is: 19,175.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,869.43 : 61,296.44 = 12,785.27 : x
  2. Step 2: Convert to fraction form
    40,869.43/61,296.44 = 12,785.27/x
  3. Step 3: Cross multiply
    40,869.43x = 61,296.44 × 12,785.27
  4. Step 4: Simplify right side
    40,869.43x = 783,691,165.03
  5. Step 5: Solve for x
    x = 783,691,165.03/40,869.43
  6. Step 6: Final answer
    x = 19,175.49

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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.