Home / 41,145.80-61,669.24-18,928.56

Finding the Fourth Proportional to 41,145.80, 61,669.24 and 18,928.56

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Solution

The fourth proportional to 41,145.80, 61,669.24 and 18,928.56 is: 28,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,145.80 : 61,669.24 = 18,928.56 : x
  2. Step 2: Convert to fraction form
    41,145.80/61,669.24 = 18,928.56/x
  3. Step 3: Cross multiply
    41,145.80x = 61,669.24 × 18,928.56
  4. Step 4: Simplify right side
    41,145.80x = 1,167,309,909.49
  5. Step 5: Solve for x
    x = 1,167,309,909.49/41,145.80
  6. Step 6: Final answer
    x = 28,370.09

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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.