Home / 43,508.37-65,262.61-11,918.70

Finding the Fourth Proportional to 43,508.37, 65,262.61 and 11,918.70

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Solution

The fourth proportional to 43,508.37, 65,262.61 and 11,918.70 is: 17,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,508.37 : 65,262.61 = 11,918.70 : x
  2. Step 2: Convert to fraction form
    43,508.37/65,262.61 = 11,918.70/x
  3. Step 3: Cross multiply
    43,508.37x = 65,262.61 × 11,918.70
  4. Step 4: Simplify right side
    43,508.37x = 777,845,573.37
  5. Step 5: Solve for x
    x = 777,845,573.37/43,508.37
  6. Step 6: Final answer
    x = 17,878.07

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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.