Home / 66,215.22-99,336.51-21,844.68

Finding the Fourth Proportional to 66,215.22, 99,336.51 and 21,844.68

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Solution

The fourth proportional to 66,215.22, 99,336.51 and 21,844.68 is: 32,771.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,215.22 : 99,336.51 = 21,844.68 : x
  2. Step 2: Convert to fraction form
    66,215.22/99,336.51 = 21,844.68/x
  3. Step 3: Cross multiply
    66,215.22x = 99,336.51 × 21,844.68
  4. Step 4: Simplify right side
    66,215.22x = 2,169,974,273.27
  5. Step 5: Solve for x
    x = 2,169,974,273.27/66,215.22
  6. Step 6: Final answer
    x = 32,771.53

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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.