Home / 43,849.32-65,783.70-20,463

Finding the Fourth Proportional to 43,849.32, 65,783.70 and 20,463

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Solution

The fourth proportional to 43,849.32, 65,783.70 and 20,463 is: 30,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,849.32 : 65,783.70 = 20,463 : x
  2. Step 2: Convert to fraction form
    43,849.32/65,783.70 = 20,463/x
  3. Step 3: Cross multiply
    43,849.32x = 65,783.70 × 20,463
  4. Step 4: Simplify right side
    43,849.32x = 1,346,131,853.10
  5. Step 5: Solve for x
    x = 1,346,131,853.10/43,849.32
  6. Step 6: Final answer
    x = 30,699.04

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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.