Home / 43,914.96-65,899.44-20,543.76

Finding the Fourth Proportional to 43,914.96, 65,899.44 and 20,543.76

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Solution

The fourth proportional to 43,914.96, 65,899.44 and 20,543.76 is: 30,828.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,914.96 : 65,899.44 = 20,543.76 : x
  2. Step 2: Convert to fraction form
    43,914.96/65,899.44 = 20,543.76/x
  3. Step 3: Cross multiply
    43,914.96x = 65,899.44 × 20,543.76
  4. Step 4: Simplify right side
    43,914.96x = 1,353,822,279.49
  5. Step 5: Solve for x
    x = 1,353,822,279.49/43,914.96
  6. Step 6: Final answer
    x = 30,828.27

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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.