Home / 43,560.96-65,349.12-20,213.76

Finding the Fourth Proportional to 43,560.96, 65,349.12 and 20,213.76

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Solution

The fourth proportional to 43,560.96, 65,349.12 and 20,213.76 is: 30,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,560.96 : 65,349.12 = 20,213.76 : x
  2. Step 2: Convert to fraction form
    43,560.96/65,349.12 = 20,213.76/x
  3. Step 3: Cross multiply
    43,560.96x = 65,349.12 × 20,213.76
  4. Step 4: Simplify right side
    43,560.96x = 1,320,951,427.89
  5. Step 5: Solve for x
    x = 1,320,951,427.89/43,560.96
  6. Step 6: Final answer
    x = 30,324.20

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1.5x scale

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.