Home / 66,495.44-99,742.19-30,936.87

Finding the Fourth Proportional to 66,495.44, 99,742.19 and 30,936.87

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Solution

The fourth proportional to 66,495.44, 99,742.19 and 30,936.87 is: 46,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,495.44 : 99,742.19 = 30,936.87 : x
  2. Step 2: Convert to fraction form
    66,495.44/99,742.19 = 30,936.87/x
  3. Step 3: Cross multiply
    66,495.44x = 99,742.19 × 30,936.87
  4. Step 4: Simplify right side
    66,495.44x = 3,085,711,360.77
  5. Step 5: Solve for x
    x = 3,085,711,360.77/66,495.44
  6. Step 6: Final answer
    x = 46,404.86

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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.