Home / 66,610.74-91,919.97-36,395.58

Finding the Fourth Proportional to 66,610.74, 91,919.97 and 36,395.58

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Solution

The fourth proportional to 66,610.74, 91,919.97 and 36,395.58 is: 50,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,610.74 : 91,919.97 = 36,395.58 : x
  2. Step 2: Convert to fraction form
    66,610.74/91,919.97 = 36,395.58/x
  3. Step 3: Cross multiply
    66,610.74x = 91,919.97 × 36,395.58
  4. Step 4: Simplify right side
    66,610.74x = 3,345,480,621.73
  5. Step 5: Solve for x
    x = 3,345,480,621.73/66,610.74
  6. Step 6: Final answer
    x = 50,224.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.