Home / 43,974.48-65,931.64-21,166.26

Finding the Fourth Proportional to 43,974.48, 65,931.64 and 21,166.26

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Solution

The fourth proportional to 43,974.48, 65,931.64 and 21,166.26 is: 31,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,974.48 : 65,931.64 = 21,166.26 : x
  2. Step 2: Convert to fraction form
    43,974.48/65,931.64 = 21,166.26/x
  3. Step 3: Cross multiply
    43,974.48x = 65,931.64 × 21,166.26
  4. Step 4: Simplify right side
    43,974.48x = 1,395,526,234.47
  5. Step 5: Solve for x
    x = 1,395,526,234.47/43,974.48
  6. Step 6: Final answer
    x = 31,734.91

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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.