Home / 43,459.26-65,188.34-13,876.72

Finding the Fourth Proportional to 43,459.26, 65,188.34 and 13,876.72

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Solution

The fourth proportional to 43,459.26, 65,188.34 and 13,876.72 is: 20,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459.26 : 65,188.34 = 13,876.72 : x
  2. Step 2: Convert to fraction form
    43,459.26/65,188.34 = 13,876.72/x
  3. Step 3: Cross multiply
    43,459.26x = 65,188.34 × 13,876.72
  4. Step 4: Simplify right side
    43,459.26x = 904,600,341.44
  5. Step 5: Solve for x
    x = 904,600,341.44/43,459.26
  6. Step 6: Final answer
    x = 20,814.90

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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.