Home / 41,181.12-61,723.96-18,947.84

Finding the Fourth Proportional to 41,181.12, 61,723.96 and 18,947.84

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Solution

The fourth proportional to 41,181.12, 61,723.96 and 18,947.84 is: 28,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,181.12 : 61,723.96 = 18,947.84 : x
  2. Step 2: Convert to fraction form
    41,181.12/61,723.96 = 18,947.84/x
  3. Step 3: Cross multiply
    41,181.12x = 61,723.96 × 18,947.84
  4. Step 4: Simplify right side
    41,181.12x = 1,169,535,718.25
  5. Step 5: Solve for x
    x = 1,169,535,718.25/41,181.12
  6. Step 6: Final answer
    x = 28,399.80

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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.