Home / 43,761.51-65,646.94-12,171.66

Finding the Fourth Proportional to 43,761.51, 65,646.94 and 12,171.66

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Solution

The fourth proportional to 43,761.51, 65,646.94 and 12,171.66 is: 18,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,761.51 : 65,646.94 = 12,171.66 : x
  2. Step 2: Convert to fraction form
    43,761.51/65,646.94 = 12,171.66/x
  3. Step 3: Cross multiply
    43,761.51x = 65,646.94 × 12,171.66
  4. Step 4: Simplify right side
    43,761.51x = 799,032,354.39
  5. Step 5: Solve for x
    x = 799,032,354.39/43,761.51
  6. Step 6: Final answer
    x = 18,258.79

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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.