Home / 43,602.96-65,443.32-20,242.56

Finding the Fourth Proportional to 43,602.96, 65,443.32 and 20,242.56

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Solution

The fourth proportional to 43,602.96, 65,443.32 and 20,242.56 is: 30,381.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,602.96 : 65,443.32 = 20,242.56 : x
  2. Step 2: Convert to fraction form
    43,602.96/65,443.32 = 20,242.56/x
  3. Step 3: Cross multiply
    43,602.96x = 65,443.32 × 20,242.56
  4. Step 4: Simplify right side
    43,602.96x = 1,324,740,331.70
  5. Step 5: Solve for x
    x = 1,324,740,331.70/43,602.96
  6. Step 6: Final answer
    x = 30,381.89

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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.