Home / 43,630.66-65,447.31-14,051.62

Finding the Fourth Proportional to 43,630.66, 65,447.31 and 14,051.62

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Solution

The fourth proportional to 43,630.66, 65,447.31 and 14,051.62 is: 21,077.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,630.66 : 65,447.31 = 14,051.62 : x
  2. Step 2: Convert to fraction form
    43,630.66/65,447.31 = 14,051.62/x
  3. Step 3: Cross multiply
    43,630.66x = 65,447.31 × 14,051.62
  4. Step 4: Simplify right side
    43,630.66x = 919,640,730.14
  5. Step 5: Solve for x
    x = 919,640,730.14/43,630.66
  6. Step 6: Final answer
    x = 21,077.86

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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.