Home / 41,379.12-61,958.52-28,257.12

Finding the Fourth Proportional to 41,379.12, 61,958.52 and 28,257.12

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Solution

The fourth proportional to 41,379.12, 61,958.52 and 28,257.12 is: 42,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,379.12 : 61,958.52 = 28,257.12 : x
  2. Step 2: Convert to fraction form
    41,379.12/61,958.52 = 28,257.12/x
  3. Step 3: Cross multiply
    41,379.12x = 61,958.52 × 28,257.12
  4. Step 4: Simplify right side
    41,379.12x = 1,750,769,334.66
  5. Step 5: Solve for x
    x = 1,750,769,334.66/41,379.12
  6. Step 6: Final answer
    x = 42,310.45

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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.