Home / 43,759.83-65,665.19-18,457.77

Finding the Fourth Proportional to 43,759.83, 65,665.19 and 18,457.77

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Solution

The fourth proportional to 43,759.83, 65,665.19 and 18,457.77 is: 27,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,759.83 : 65,665.19 = 18,457.77 : x
  2. Step 2: Convert to fraction form
    43,759.83/65,665.19 = 18,457.77/x
  3. Step 3: Cross multiply
    43,759.83x = 65,665.19 × 18,457.77
  4. Step 4: Simplify right side
    43,759.83x = 1,212,032,974.03
  5. Step 5: Solve for x
    x = 1,212,032,974.03/43,759.83
  6. Step 6: Final answer
    x = 27,697.39

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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.