Home / 43,842.72-65,770.32-14,251.04

Finding the Fourth Proportional to 43,842.72, 65,770.32 and 14,251.04

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Solution

The fourth proportional to 43,842.72, 65,770.32 and 14,251.04 is: 21,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,842.72 : 65,770.32 = 14,251.04 : x
  2. Step 2: Convert to fraction form
    43,842.72/65,770.32 = 14,251.04/x
  3. Step 3: Cross multiply
    43,842.72x = 65,770.32 × 14,251.04
  4. Step 4: Simplify right side
    43,842.72x = 937,295,461.13
  5. Step 5: Solve for x
    x = 937,295,461.13/43,842.72
  6. Step 6: Final answer
    x = 21,378.59

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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.