Home / 43,447.17-65,111.81-18,455.88

Finding the Fourth Proportional to 43,447.17, 65,111.81 and 18,455.88

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Solution

The fourth proportional to 43,447.17, 65,111.81 and 18,455.88 is: 27,658.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,447.17 : 65,111.81 = 18,455.88 : x
  2. Step 2: Convert to fraction form
    43,447.17/65,111.81 = 18,455.88/x
  3. Step 3: Cross multiply
    43,447.17x = 65,111.81 × 18,455.88
  4. Step 4: Simplify right side
    43,447.17x = 1,201,695,659.66
  5. Step 5: Solve for x
    x = 1,201,695,659.66/43,447.17
  6. Step 6: Final answer
    x = 27,658.78

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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.